?longitudinally

longitudinally 發(fā)音

英：[?lɑ?nd???tu?dn?li]　　美：[?l??ɡ??tju?d?n?li; ?l?nd???tju?d?n?li]

英：　　美：

longitudinally 中文意思翻譯

longitudinally 反義詞

latitude

longitudinally 詞性/詞形變化，longitudinally變形

副詞: longitudinally |

longitudinally 同義詞

measurement

longitudinally 短語(yǔ)詞組

1、longitudinally oriented ─── 縱向定向

2、cut longitudinally ─── 縱向切割

3、longitudinally stable ─── 縱向穩定

longitudinally 相似詞語(yǔ)短語(yǔ)

1、aptitudinally ─── 因材施教

2、latitudinal ─── adj.緯度的

3、attitudinally ─── 態(tài)度上；態(tài)度地

4、longitudinal waves ─── 縱浪；縱波

5、longitudinal wave ─── [物]縱波

6、longitudinal section ─── 縱切面；縱切片

7、longitudinal ─── adj.長(cháng)度的，縱向的；經(jīng)線(xiàn)的

8、libidinally ─── 性欲的

9、latitudinally ─── 緯度

longitudinally 常見(jiàn)例句（雙語(yǔ)使用場(chǎng)景）

1、anthers extrorse, longitudinally dehiscent;───外向的花藥，縱向開(kāi)裂；

2、Improved longitudinally section transverse suture operation───改良縱切橫縫術(shù)

3、The pollen is released when the lobes split open longitudinally.───當花粉成熟時(shí)，藥隔每側的兩個(gè)花粉囊相互連通。

4、Branches densely gray minutely tomentose, with simple and stellate hairs when young, later subglabrous, with longitudinally exfoliating bark.───分枝濃密被絨毛的灰色微小的，單的具幼時(shí)星狀毛，過(guò)后近無(wú)毛，具縱向剝落樹(shù)皮。

5、Driving longitudinally to adopt gear, rack transmitting design, which ensures the stable movement of the machine.───縱向驅動(dòng)采用齒輪 、 齒條傳動(dòng)設計, 保證機器的穩定運行.

6、In the coverage of the whole membrane structure set up 6 giantism cones shape Sunshine Valley from the entrance to the central section of Expo axis longitudinally.───整個(gè)索膜覆蓋的結構中，從世博軸的入口及中部沿縱向設置了6個(gè)巨型圓錐狀陽(yáng)光谷。

7、If the deck beams are longitudinally oriented, they will, of course, carry the same primary stress as the plating and may contribute substantially（充分地） to hull girder strength.───如果甲板梁架縱向地被安置，他們，當然，將和鍍層一樣承擔主要壓力，并且也許對船體縱桁強度有極大地貢獻。

8、The assumption that production lines, which produce longitudinally submerged arc welded pipes, are built cooperatively is discussed.───并就進(jìn)一步開(kāi)發(fā)天然氣管道專(zhuān)用管及高強度管線(xiàn)鋼談了看法。

9、Corona tube cupular to tubular, at least as long as gynostegium, membranous, longitudinally pleated, white or near white.───副花冠筒部杯狀到管狀，至少倍于合蕊冠，膜質(zhì)，縱向在上打褶，在白色附近的白色的或。(3

10、DISCUSSION ON THE ANGLE BUMP OF GLASS WHEN LONGITUDINALLY CUT───關(guān)于玻璃縱分碰角問(wèn)題的探討

11、Each of four chromosomes divide longitudinally.───四種染色體的每一種都沿著(zhù)縱向分裂。

12、The rationale regarding the use of the skeletal muscle tissue technique is the availability of a longitudinally oriented basal lamina and extracellular matrix components that direct and enhance regenerating nerve fibers.───使用骨骼肌組織修復神經(jīng)缺損的優(yōu)點(diǎn)在于，它能夠提供縱向延展的基底膜和細胞外基質(zhì)成分，這些物質(zhì)都可以直接促進(jìn)神經(jīng)纖維的再生。

13、Mature carpels dehiscing longitudinally.───成熟的心皮縱向開(kāi)裂。

14、To the rotating housing is rotatably attached a connecting member having a second hinge axis longitudinally extended therethrough.───在旋轉外殼上可旋轉裝設有連接部件，該連接部件具有通過(guò)其縱向延伸的第二鉸鏈軸。

15、A transversely stressed fillet weld can sustain higher loads than one stressed longitudinally.───受橫向應力的角焊縫比受縱向應力的角焊縫承受能力強。

16、A coronary artery has been opened longitudinally.───冠狀動(dòng)脈被縱向剖開(kāi)。

17、By using the analogous principle between mechanical vibration system and electric circuit, the equivalent mechanical network diagrams of mass-well-distributed thin rod which vibrates longitudinally are given.───利用力學(xué)振動(dòng)系統和電路之間的類(lèi)比原理，給出了均質(zhì)細桿縱振動(dòng)的等效機械網(wǎng)絡(luò )圖。

18、Methods Longitudinally followed up 118 cognitively normal elderly, compared their annual MMSE changes, incidence of dementias with APOE4 genotypes and vascular risk factors.───方法對118例認知功能正常的老年人進(jìn)行隨訪(fǎng),觀(guān)察簡(jiǎn)易智能狀態(tài)檢查(MMSE)評分的改變和癡呆發(fā)生率與APOE基因型以及血管性風(fēng)險因子的關(guān)系。

19、Based on energy method,a calculating formula of roll force to longitudinally ribbed strips wasderived.───利用能量法可以推導出縱凸筋鋼板軋制力的計算式，并對縱凸筋鋼板軋制力進(jìn)行了計算。

20、During the late development,the apical cell did not divide and therefore the capitate glandular hair with one secretory cell formed if the stalk cell rapidly enlarged longitudinally.───以后的發(fā)育過(guò)程中，由于有的腺毛的柄細胞迅速分化，其頂細胞不再分裂，從而形成單個(gè)分泌細胞構成頭部的頭狀腺毛；

21、Longitudinally, it embodies the vein of historical development of culture, whereas synchronically it comprises the vast and deep foundation of Yi culture.───就縱向而言，突出了體現彝族文化的歷史發(fā)展脈絡(luò )，從橫向上看，包容著(zhù)恢宏深厚的彝族文化基因。

22、If the deck beams are longitudinally oriented, they will, of course, carry the designed shape.───如果甲板梁架縱向地被安置，他們，當然，將運載被設計的形狀。

23、The authors investigated longitudinally the effect of trabeculectomy on the changes of corneal curvature and visual acuity via the aid of corneal topography.───本文希望藉由電腦輔助角膜曲度攝影，縱向研究小梁切除術(shù)對角膜曲度的影響及視力變化的關(guān)系。

24、The mercerization process causes the cotton fibers to swell laterally and shrink longitudinally.───絲光過(guò)程使棉纖維沿直徑方向膨脹,沿長(cháng)度方向伸長(cháng).

25、It put forward 5 kinds improved forming components of longitudinal edge forming unit,i.e.a pair of bottom crossbeam of row rollers shall be longitudinally moved along rolling line direction.───提出了5種改進(jìn)直緣成型部件結構的設想,即:排輥裝置的一對下橫梁應該能沿軋制線(xiàn)方向做縱向移動(dòng);排輥的角度可以調整;

26、A lower casting fits on the inner ways of the bed and can slide longitudinally thereon, with a means for clamping the entire assembly in any desired location.───它通常是由經(jīng)過(guò)充分正火或時(shí)效處理的灰鑄鐵或者球墨鑄鐵制成，它是一個(gè)堅固的剛性框架，所有其他主要部件都安裝在床身上。通常在床身上面有內外兩組平行的導軌。

27、Shield: A corrugated (or non-corrugated) AL tape with both sides plastic coated is applied to longitudinally wrap the core covering with two edges overlapped overlap seam sealed.───屏蔽:用軋紋(或不軋紋)雙面涂塑鋁帶縱包于纜芯包帶之外,兩邊搭接粘合。

28、The drug is collected in summer and autumn when the fruit turns greenish-yellow, boiled in water until the exocarp becomes grayish-white in colour, halved longitudinally, and dried in the sunn.───夏、秋二季果實(shí)綠黃時(shí)采收，置沸水中燙至外皮灰白色，對半縱剖，曬干。

29、The main hull to be longitudinally framed in general. Following parts may be transversely framed.───主船體一般為縱向框架。下列部位可以為橫向框架。

30、The accumulator is a strip storing unit in the longitudinally welded pipe and formed section production.───活套是高頻直縫焊管生產(chǎn)線(xiàn)和冷彎型鋼生產(chǎn)線(xiàn)中的儲料裝置.

31、A magnetic storage in which data are stored by magnetic recording on the surface of a tape that moves longitudinally in use.───一種磁性存儲器,在帶面上以磁記錄方式存儲數據,使用時(shí)磁帶作縱向運動(dòng)。

32、fungi of the order Tremellales that have the basidium divided longitudinally.───擔子菌的一科屬于銀耳目，具有二叉而無(wú)分割的擔子菌類(lèi)。

33、Shield: A corrugated( or non-corrugated) AL tape with both sides plastic coated is applied to longitudinally wrap the core covering with two edges overlapped and overlap seam sealed.───屏蔽:用軋紋（不軋紋)雙面涂塑鋁帶縱包于纜芯包帶之外，兩邊搭接粘合。

34、The milling and chamfering machine a key unit in the longitudinally welded pipe production line.───銑頭倒棱機是高頻直縫焊管生產(chǎn)線(xiàn)上的關(guān)鍵設備之一.

35、Bark gray or dark brown, shallowly longitudinally fissured and flaky.───暗褐色的樹(shù)皮灰色或，和片狀的縱向裂開(kāi)的淺。

36、It generalizes the function of sme in Europe and American, takes laterally comparative analysis to sme developing measures of every country and longitudinally comparative analysis.───對歐、美主要國家中小企業(yè)的作用、各國政府所采取的中小企業(yè)發(fā)展政策及形成過(guò)程進(jìn)行了橫向比較研究和縱向分析；

37、Comparing parts that have been circularly magnetized and those which have been longitudinally magnetized, which retains the most objectionable residual field if not demagnetized?───2經(jīng)過(guò)周向磁化的零件與經(jīng)過(guò)縱向磁化的零件相比，在不退磁的情況下，哪種零件保留的殘余磁場(chǎng)最有害？

38、Legend has it that he was martyred in Mesopotamia by being hung upside down and sawed to death - longitudinally.───傳說(shuō)中他在美索不達米亞被倒吊起來(lái)縱向鋸死，以身殉教。

39、Each of four chromosomes divide longitudinally.───四種染色體的每一種都沿著(zhù)縱向分裂.

40、The flying saw is a key unit in the production of longitudinally welded pipe formed section.───飛鋸機是高頻直縫焊管(冷管)生產(chǎn)線(xiàn)上的關(guān)鍵設備之一.

41、The RWD cars usually have their engines placed longitudinally and the wheels are placed near the corners.───后驅的車(chē)通?？v列引擎，輪子被安放在角落處（即前懸短，參考寶馬車(chē)-----譯者）

42、Elastic , axially traveling cables are special suspension cables that transport themselves longitudinally in operations.───彈性軸向行進(jìn)索是沿著(zhù)自身軸向運動(dòng)的懸索結構,廣泛應用于交通、航天、國防等行業(yè).

43、Young branchlets green-brown, longitudinally angular and sulcate, puberulent or glabrous, lenticels distinct.───幼枝綠色的棕色，具縱棱和具槽，被微柔毛或無(wú)毛的，離生。

44、An ornamental evergreen tree(Averrhoa carambola), native to southeast Asia and having crisp, edible, yellow to orange, longitudinally ridged fruits that are star-shaped in cross section.───五斂子，陽(yáng)桃一種（陽(yáng)桃陽(yáng)桃屬）屬裝飾性常青喬木，原產(chǎn)于亞洲東南部，其果實(shí)松脆，可食，呈**或桔紅色，縱向上隆起，截面呈星狀

45、The mercerization process causes the cotton fibers to swell laterally and shrink longitudinally.───絲光過(guò)程使棉纖維沿直徑方向膨脹,沿長(cháng)度方向伸長(cháng)

46、The Second Chapter investigates longitudinally Chinese state structure system.───第二章對中國國家結構制度進(jìn)行了縱向考察。

47、The sigmoid colon at the right appears lighter in color than the adjacent small intestine and has a band of taenia coli muscle running longitudinally.───右邊的乙狀結腸在顏色上比臨近的小腸淺，有結腸帶。乙狀結腸的突出物是多個(gè)圓形的藍灰色的憩室。

48、SAW Notch Filter Coupled with Longitudinally Coupled Resonator───聲表面波陷波器與縱向耦合結構相結合

49、Leaf blade abaxially pubescent or tomentose, base cordate; follicles smooth, or longitudinally sinuate-striate or transversely plicate-corrugate.───葉片背面短柔毛或者被絨毛，基部心形；折扇狀橫向的蓇葖果平滑，或者縱向具深波狀具條紋的或皺。(3

50、Besides, using the index system, we can not only compare the scientific-technological progress of a certain city district each year longitudinally but also all city districts transversely.───另外，運用本指標體系的評價(jià)方法，各城區可以縱向比較自身科技進(jìn)步情況，又可以橫向對比科技進(jìn)步工作的優(yōu)劣，對其工作成績(jì)進(jìn)行對比排序。

51、Young branchlets dark purple, depressed tetragonous, longitudinally sulcate when dry.───幼枝黑暗紫色，背腹扁平，干燥時(shí)縱向具槽。

52、This paper introduces the function of magnetic rod in the H.F. welding of longitudinally welded pipe and correct select installation and use of magnetic rod.───介紹了磁棒在直縫焊管高頻焊接中的功能及對磁棒的正確選擇、安裝和使用。

53、The shear walls are arranged in both directions (across and longitudinally).───剪力墻雙向設計(橫向和縱向)。

54、The epidermal cells are oblong, longitudinally extended.───表皮細胞為長(cháng)方形，縱向排列。

55、Analysis for transverse free vibration of a longitudinally moving fabric is put forward here, with the calculating formula for natural frequencies of the fabric being introduced.───因此對縱向運動(dòng)織物的自由振動(dòng)進(jìn)行了理論分析,給出了其固有頻率的計算公式,并對固有頻率的幾個(gè)影響參數進(jìn)行了討論。

56、The steel frames resist lateral loads applied in the short direction while diagonal bracing stabilizes the building longitudinally.───當斜向支撐確?？v向穩定時(shí)，鋼框架結構只需抵抗短方向的側荷載。

57、Longitudinally polarized electrons are the electrons with spin and momentum pointing in the same direction.───縱向極化電子,就是自旋和動(dòng)量方向相同的電子.

58、branches glabrous, densely longitudinally verruculose.───無(wú)毛的枝，密被縱向具小瘤。

59、Companion cell An elongated thinwalled cell cut off longitudinally from the same meristematic cell as the SIEVE ELEMENT with which it is closely associated.───伴胞：與篩管分子側面相鄰的一種細胞，和篩管間有密集胞間連絲，它與篩管是由分生組織的同一個(gè)母細胞不均等分裂發(fā)育而成。

60、The laser plasma channel antenna is equivalent to uniform cold magnetized plasma beam, which is assumed to be gyrating transversely and drifting longitudinally.───摘要激光等離子體通道天線(xiàn)被等效為電子在橫向旋轉、軸向漂移的均勻冷磁化等離子體束，且該等離子體束的橫截面為沿軸向不改變的圓形。

61、Shield: A corrugated (or non-corrugated) AL tape with both sides plastic coated is applied to longitudinally wrap the core covering with two edges overlapped and overlap seam sealed.───屏蔽:用雙面涂塑鋁帶軋紋(或不軋紋)縱包于纜芯包帶之外,兩邊搭接粘合。

62、Fig. 1-97 Anterolateral approach to shaft of humerus. A, Skin incision. B, Deltoid and biceps muscles retracted; brachialis muscle incised longitudinally, exposing shaft.───圖1-97肱骨干前外側入路。A皮膚切口；B牽開(kāi)的三角肌和肱二頭??；縱行切開(kāi)肱肌，顯露肱骨干。

63、A coronary artery has been opened longitudinally.───冠狀動(dòng)脈被縱向剖開(kāi).

64、Firstly, several layers of the nucellar cells at the micropylar end elongate longitudinally.───接著(zhù),位于珠心組織最上部(珠孔端)的珠心細胞啟始死亡;

65、The shear welder is a key unit in the longitudinally welded pipe mill line.───剪切對焊機是高頻直縫焊管生產(chǎn)線(xiàn)上的關(guān)鍵設備之一.

66、Height and longitudinally adjustable steering column───手動(dòng)可調節方向盤(pán)

67、Based on the axisymmetrical potential flow theory of an invicid incompressible fluid, the exact solution of an longitudinally accelerated flow passing an ellipsoid was obtained.───本文基于理想不可壓軸對稱(chēng)位流理論,導得縱向加速流繞橢球流動(dòng)的精確解;

68、Branchlets longitudinally striped, lenticellate, sparsely pubescent.───小枝具縱向條紋，具皮孔，疏生短柔毛。

69、An ornamental evergreen tree(Averrhoa carambola),native to southeast Asia and having crisp,edible,yellow to orange,longitudinally ridged fruits that are star-shaped in cross section.───五斂子，陽(yáng)桃一種（陽(yáng)桃陽(yáng)桃屬）屬裝飾性常青喬木，原產(chǎn)于亞洲東南部，其果實(shí)松脆，可食，呈**或桔紅色，縱向上隆起，截面呈星狀。

70、THE INVESTIGATION OF LONGITUDIN OSCILLATION OF **-7 AIRCRAFT───**-7飛機縱向振蕩的研究

71、Young branchlets purple-black, glabrous, longitudinally plicate;───幼枝紫色黑色，無(wú)毛，縱向折扇狀；

72、The milling and chamfering machine is a key unit in the longitudinally welded pipe production line.───平頭倒棱機 是高頻直縫焊管生產(chǎn)線(xiàn)上的關(guān)鍵設備之一。

73、A 3mm length of silastic tub with an internal diameter of 1.0mm was cut longitudinally and placed around the nerver.───卡壓3個(gè)月后,將實(shí)驗動(dòng)物切口重新打開(kāi),肉眼觀(guān)察坐骨神經(jīng)并測量其卡壓近端、遠端和卡壓段的直徑,同時(shí)做肌電圖檢測。

74、This paper describes the causes of angle bump of float glass when conveyed at the cold end while being longitudinally cut on the production line .───探討了浮法玻璃在冷端輸送過(guò)程中,玻璃板在主線(xiàn)上縱向掰斷并分開(kāi)所產(chǎn)生的兩塊玻璃尾端碰角的現象。

75、The milling and chamfering machine is a key unit in the longitudinally welded pipe production line.───平頭倒棱機是高頻直縫焊管生產(chǎn)線(xiàn)上的關(guān)鍵設備之一.

76、Furthermore, to meet the needs from market, it is helpful to reconstruct the existing longitudinally welded tubing mill in our country.───為滿(mǎn)足市場(chǎng)對復合管的需求，對于我國直縫焊管機組改造有借鑒作用。

77、Multi-span continuous bridges have large extended length longitudinally, the more rational method for seismic response analysis should be performed considering the traveling wave effect.───多跨連續梁橋縱向延伸長(cháng)度比較長(cháng)，進(jìn)行地震反應分析時(shí)應考慮地震波有限波速傳播所引起的行波效應。

78、This paper gives the analytic solutions of axisymmetrical field in a nonlinear longitudinally inhomogeneous self-focusing fiber by using the variational method.───本文用變分法求出了非線(xiàn)性軸向不均勻自聚焦光纖軸對稱(chēng)場(chǎng)的解析解。

79、At ED11.5, the cardiac muscle cells arranged regularly and formed a longitudinally and obliquely sectioned cardiac muscle fiber.───ED11.5時(shí)心肌纖維排列較緊，縱斷面上呈細長(cháng)形，橫斷面上呈不規則多角形；

80、Branchlets never spinose, sometimes with a thick and irregularly longitudinally fissured corky layer or with 2 flat opposite corky wings.───小枝決不具刺，有時(shí)厚和不規則縱向裂開(kāi)的木栓質(zhì)層或者具2平的對生的木栓質(zhì)的翅。

81、Spurious Rejection of Two-Port Longitudinally Coupled Resonator Filter───兩端對縱向耦合諧振器的阻帶抑制

82、branchlets longitudinally angulate, sparsely lenticellate.───小枝具縱向的棱，稀少具皮孔。

83、Hypanthium narrowly funnelform, 0.5-1 cm, longitudinally 8-ribbed, glabrous or furfuraceous.───托杯狹漏斗狀，0.5-1厘米，縱向8肋，無(wú)毛或軟鱗片狀。

84、Theposition of the spray gun can be adjusted laterally and longitudinally by an adjustor.───利用文丘利原理，由壓縮空氣通過(guò)噴**將石英砂高速?lài)娚涞侥＞咝颓粌仁刮酃盖宄蓛?，灰塵由吸塵器吸除，石英砂回收重新使用。

85、The samples were fixed on the pedestal of electronic test machine, and hung longitudinally along the extensor tendon by steel wire hook.───將標木固定于電子萬(wàn)能試驗機底座上，由鋼絲繩吊鉤沿伸肌腱縱行方向鉤住、鋼絲繩上端固定于試驗機上夾頭上，驅動(dòng)機器，對標本施加拉應力，直至斷裂。

86、Spathe 1-valved, pale brown, 9--12 mm, membranous, longitudinally striate when dry, persistent.───佛焰苞1瓣裂，淡褐色，9-12毫米，膜質(zhì)，縱向干燥時(shí)具條紋，宿存。

87、Methods The strictured or atresic anterior urethra is longitudinally incised and a free graft of buccal mucosa was used as a ventral onlay.───方法將狹窄或閉鎖的前尿道于腹側縱形劈開(kāi),采用口腔頰粘膜補片法治療復雜性前尿道狹窄患者6例7次。

88、The pollen is released when the lobes split open longitudinally.───當花粉成熟時(shí),藥隔每側的兩個(gè)花粉囊相互連通.

89、Longitudinally-framed double bottom structure.───縱骨架式雙底結構。

90、The aorta is opened longitudinally here to reveal a coarctation.───主動(dòng)脈縱向切開(kāi)后，可以清楚地看見(jiàn)狹窄。

91、Multi-span continuous bridges have large extended length longitudinally,the more rational method for seismic response analysis should be performed considering the traveling wave effect.───多跨連續梁橋縱向延伸長(cháng)度比較長(cháng),進(jìn)行地震反應分析時(shí)應考慮地震波有限波速傳播所引起的行波效應。

92、He put one knee on the fish and cut strips of dark red meat longitudinally from the back of the head to the tail.───他將膝蓋壓在魚(yú)身上，從魚(yú)頭一直到尾巴，沿著(zhù)背脊往魚(yú)肚的邊緣切下一條條深紅色的魚(yú)肉。

93、The aorta is opened longitudinally here to reveal a coarctation. In the region of the narrowing, there was increased turbulence that led to increased atherosclerosis.───主動(dòng)脈縱向切開(kāi)后,可以清楚地看見(jiàn)狹窄。在狹窄區域,湍流增加將導致動(dòng)脈粥樣硬化的危險性增加。

94、Affected by the system and structure pattern, hydrocarbon distributes longitudinally at the middle and upper of lower system.Laterally, it concentrates in the T-P system with relative low energy.───受溫壓系統和構造格局的影響，油氣縱向上主要分布于下部弱高壓型溫壓系統的中上部，橫向上則主要集中在相對低能的溫壓分區內。

95、We studied the development of the children longitudinally.───我們對這群孩子進(jìn)行了跨時(shí)段研究。

英語(yǔ)單詞long的翻義是什么？

long on 長(cháng) 重點(diǎn)詞匯 long長(cháng)的; 長(cháng)時(shí)間的; 冗長(cháng)的，過(guò)長(cháng)的; 長(cháng)音的; 長(cháng)久地; 始終; 遙遠地; 長(cháng)時(shí) 例： He does not paint for very long on any one painting, perhaps for two and a half hours at a time 他每幅畫(huà)不會(huì )畫(huà)很長(cháng)時(shí)間，一次大概畫(huà)兩個(gè)半小時(shí)。

急需翻譯成英文

With the industrial equipment for precision degree of demand is higher and higher, processing equipment of machining equipment machining precision degree is higher requirements. In China the lathe machining equipment in the ordinary lathe. This has been today and restricts the development of industry. And because the price is expensive, CNC machining technology of high and workers. So for machine tools for automation reconstruction is very necessary. This paper is on average CW6160 horizontal lathe based on its vertical lathe for automation reconstruction.

The transformation process is the main tool for longitudinal into the overall scheme of the system, ball screw assembly design, make the ball screw animation, choose stepper motor drive system of the machine, CNC system design and two axis hardware circuit design.

Keywords: stepper motor, The ball screw, CNC system, Longitudinal feeding