?frictionless

frictionless發(fā)音

英：[f'r?k?nles]　　美：[f'r?k?nles]

英：　　美：

frictionless中文意思翻譯

adj. 無(wú)摩擦的；光滑的

frictionless常見(jiàn)例句

1 、That's because this baby's built with a seamless, frictionless, 12inch metal alloy.─── 因為這里采用12英寸金屬合金打造 無(wú)縫隙無(wú)摩擦

2 、frictionless instability───非粘性粱穩定性

3 、6. The suspension of the mirrors must be very frictionless, but strongly damped.───反射鏡的懸掛既要無(wú)摩擦，但又要有強阻尼。

4 、A perpetual motion machine would have to be frictionless.───永動(dòng)機只能是一種無(wú)摩擦力的機器。

5 、The frictionless, instantaneous flow of capital is possible only because of the Internet and electronic exchanges.───只有依靠互聯(lián)網(wǎng)和電子交易，資本的無(wú)障礙即時(shí)流動(dòng)才成為可能。

6 、SOLVING CLOTH FRICTIONLESS CONTACT PROBLEMS BY OPTIMIZATION ALGORITHM───以?xún)?yōu)化方法求解布料無(wú)摩擦接觸變形問(wèn)題

7 、frictionless plane───無(wú)摩擦層面

8 、Flexible hinges have the peculiarities of non-clearance, frictionless and high sensitivity, and is usually designed to be used and acted as a displacement amplifier.───摘要柔性鉸鏈具有無(wú)間隙、無(wú)摩擦和運動(dòng)靈敏度高的特點(diǎn)，在微型機械中常用來(lái)作為位移放大器使用。

9 、Change means movement. Movement means friction. Only in the frictionless vacuum of a nonexistent abstract world can movement or change occur without that abrasive friction of conflict.───變化意味著(zhù)運動(dòng)，運動(dòng)就有摩擦。僅僅在一個(gè)不存在的無(wú)磨擦真空的抽象世界里，運動(dòng)或變化才不會(huì )發(fā)生粗糙的磨擦和沖突。

10 、frictionless seismograph───無(wú)摩擦地震儀

11 、The ITTF has indeed banned all frictionless long pimpled rubbers as from 01 July 2008. This includes all long pimpled rubbers currently used.───從2008年7月1日起，國際乒聯(lián)決議禁用長(cháng)膠粒膠皮。此項決議包括所有現在采用的長(cháng)膠粒膠皮和套膠。

12 、The benchmark macroeconomic model, though not junk, suffers from some obvious flaws, such as the assumption of complete markets or frictionless finance.───盡管宏觀(guān)經(jīng)濟基準模型并非垃圾，但受制于某些明顯的缺陷，如完全市場(chǎng)假設或無(wú)缺陷金融等。

13 、When two futures are introduced into the market, the market is complete and is equivalent to the frictionless market.───首先建立一個(gè)投資者具有歧異信念，且受到放空限制之兩期、兩風(fēng)險資產(chǎn)一般均衡模型。

14 、In this manner each roller induces eddy current of induction against the copper surfaces of the stator ring which effectively creates a frictionless magnetic bearing.───在這種模式下每個(gè)轉子會(huì )產(chǎn)生漩渦電流，電流方向與定子金屬銅面的方向相反，從而形成了一種無(wú)摩擦的磁力軸承。

15 、frictionless flow───無(wú)粘流動(dòng)無(wú)摩擦流動(dòng)理想流動(dòng)

16 、In motion with a fixed frictionless constraint, no work is done by the constraint .───在固定的無(wú)摩擦約束運動(dòng)中，約束力不作功。

17 、With the advantages of frictionless, no wear, without lubricating, no pollution, low consuming and long life, it suits high and super high speed, vacuum condition and some of the special condition.───它具有無(wú)摩擦、無(wú)磨損、無(wú)需潤滑、無(wú)污染、能耗小以及使用壽命長(cháng)等優(yōu)點(diǎn)，適用于各種高速或超高速、真空等特殊環(huán)境場(chǎng)合。

18 、That would knock the problem of stiction firmly on the head and, according to Dr Capasso, would open up the possibility of making things like frictionless ball-bearings.───這就使從根源上解決表面阻力問(wèn)題成為可能。而根據Capasso博士的斷言，這更敲開(kāi)了制造諸如無(wú)摩擦軸承在內的理想設備的大門(mén)。

19 、Pulley bearings are frictionless.───滑輪軸承是無(wú)摩擦的。

20 、NEW KIND OF ELEMENT USED FOR EQUIVALENT MODELING IN FRICTIONLESS CONTACT PROBLEMS BETWEEN COMPLEX CURVING SURFACES AND ITS APPLICATION───一種用于復雜曲面間不計摩擦接觸等效建模的新型單元及其應用

21 、sometimes his gaze is arrested by the pink tip of her kittenish nose, sometimes his eyes slide over her rosy cheeks as if they were as frictionless as the surface of a painted miniature.───有時(shí)他的眼神被她小貓一樣紅紅的小鼻尖吸引，有時(shí)他的眼光又會(huì )避開(kāi)她玫瑰般紅潤的面頰，好像那面頰是一小幅光滑如鏡的畫(huà)，沒(méi)有半點(diǎn)摩擦力。

22 、Frictionless contact───不計摩擦

23 、It raises durability and guaranties a frictionless and reliable operation in daily industrial applications.───它提高了耐久性,保證了日常工業(yè)生產(chǎn)中的無(wú)故障可靠操作。

24 、So coming from that perspective, the best kind of integration, it blends the interests of an influencer and a brand in a way that is entirely frictionless.─── 所以從這點(diǎn)出發(fā) 最好的整合辦法 就是將藝人影響力和品牌利益結合 二者要完美匹配

25 、frictionless roller───無(wú)摩擦滾軸

26 、Improvement of demping plates of the frictionless plate valve───壓縮機無(wú)摩擦網(wǎng)狀閥緩沖片改造

27 、frictionless fluid───無(wú)摩擦流動(dòng)無(wú)粘性流體理想流體

28 、"The ITTF has indeed banned all frictionless long pimpled rubbers as from 01 July 2008. This includes all long pimpled rubbers currently used.───從2008年7月1日起，國際乒聯(lián)決議禁用長(cháng)膠粒膠皮。此項決議包括所有現在采用的長(cháng)膠粒膠皮和套膠。"

29 、This applet demonstrates the effect of pressure by considering a gas particle in a frictionless piston.───氣體壓力是由氣體粒子的碰撞而產(chǎn)生。

30 、I'm writing this letter with my right hand, nestled snug in its frictionless burn glove.─── 我在用右手寫(xiě)這封信 手掌嚴密地蜷縮在光滑的燒傷手套里

31 、frictionless air table───無(wú)摩擦空氣平板

32 、frictionless hermetic damper───無(wú)摩擦金屬密封阻尼器

33 、The only frictionless part of Web commerce,he quips,is people clicking away from a site they don't like.───他開(kāi)玩笑說(shuō)，電子商務(wù)惟一通行無(wú)阻之處就是，人們可以一點(diǎn)鼠標就離開(kāi)一個(gè)不喜歡的網(wǎng)站。

34 、Magnetic bearings have a series of advantages which involve frictionless, high speed, high precision and so on, so it is widely applied in industries.───磁力軸承具有無(wú)摩擦、高速、高精度等一系列特有的優(yōu)點(diǎn)，在工業(yè)領(lǐng)域得到日益廣泛的應用。

35 、The frictionless impact of billiards due to impulsive force under different conditions is discussed regarded as an illustration of rigid body motion.───作為剛體運動(dòng)的例證,討論了在沖力作用下臺球的運動(dòng)情形,計算了在不同的擊打條件下,臺球進(jìn)入無(wú)滑滾動(dòng)狀態(tài)的繞質(zhì)心轉動(dòng)的速度.

36 、Theoretical Analysis of Slip Waves Propagating Along the Frictionless Contact Interface of Piezoelectric Solids───壓電體光滑接觸界面上的滑移界面波理論分析

37 、frictionless simulator───無(wú)摩擦模擬器

38 、There is a frictionless hinge at C.───c點(diǎn)是無(wú)摩擦鉸。

39 、The best kind of integration is entirely frictionless.─── 最好的整合辦法是完美匹配

40 、If the wall is frictionless, ??is horizontal.───如果墻壁無(wú)摩擦，?瘓臀0水平方向。

41 、frictionless cylinder───無(wú)摩擦氣缸

42 、Frictionless decoupling of the minutes counter, when the chronograph function is not in use───計時(shí)器不起作用時(shí),分鐘計無(wú)磨擦去連接

43 、Firstly, E-commerce market will not trend to be frictionless, a complete competitive market.───研究結果表明,價(jià)格離散不是電子商務(wù)市場(chǎng)不成熟的暫時(shí)現象,它將普遍而且持續存在。

44 、33.The benchmark macroeconomic model, though not junk, suffers from some obvious flaws, such as the assumption of complete markets or frictionless finance.───盡管宏觀(guān)經(jīng)濟基準模型并非垃圾，但受制于某些明顯的缺陷，如完美無(wú)缺的市場(chǎng)假設或無(wú)缺陷金融等。

45 、Propagation of Slip Pulse Along a Frictionless Contact Interface With Local Separation Between Two Piezoelectric Solids───壓電體光滑接觸界面有局部分離時(shí)的滑移脈沖波傳播

46 、A new set of atmospheric equations is derived in an adiabatic, and frictionless atmosphere, and the characteristics of the new equations are discussed.───摘要通過(guò)推導絕熱、無(wú)摩擦大氣方程組，討論了新方程組的特點(diǎn)；

47 、There are no changes regarding the current season (2007/2008). Thus you can use your frictionless long pimples until 30 June 2008 without any problem.───本年度（2007/2008）的規定不變，換而言之直至2008年6月30日，球員可以繼續使用無(wú)摩擦力的膠皮。

48 、Smooth, frictionless, with a powerful hindquarters' drive.───平順，滑動(dòng)，后軀驅動(dòng)力強大。

49 、The gait is agile, bold, well balanced, and frictionless, with good forequarter reach and good hindquarter drive.───步態(tài)敏捷、粗放、且沒(méi)有粘連。前軀伸展充分，后軀驅動(dòng)有力。

50 、If the reservoirs maintain a constant temperature and the engine parts are frictionless, the engine goes through its cycle in a completely reversible way;the total entropy remains constant.───如果兩個(gè)庫的溫度維持不變、引擎部件之間沒(méi)有摩擦力，則此引擎的循環(huán)完全可逆，總熵維持不變。

51 、a hypothetical pendulum suspended by a weightless frictionless thread of constant length───懸浮在一定長(cháng)度的無(wú)摩擦力的細絲上的假定鐘擺

52 、Figure 7-13(a) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall.───圖7－13（a）表示一個(gè)人穿著(zhù)無(wú)摩擦的有輪滑冰鞋站在水平平面上，面對著(zhù)一堵堅硬的墻。

53 、91. The only frictionless part of Web commerce, he quips, is people clicking away from a site they don't like.───他開(kāi)玩笑說(shuō)，電子商務(wù)惟一通行無(wú)阻之處就是人們可以一點(diǎn)鼠標就離開(kāi)一個(gè)不喜歡的網(wǎng)站。

54 、frictionless continuant───無(wú)摩擦延續音, 無(wú)擦通音

55 、The first model in this study has analyzed investment/dividend policy with heterogeneous beliefs-the full information model in a frictionless economy with divergent types of shareholders.───本文的第一個(gè)模型系研究完全資訊無(wú)磨擦經(jīng)濟體且有不同信念的投資人其投資/股利政策。

56 、Discussion on the Frictionless Sliding Engineering Method in the Part of Silo's Base Plates───筒倉底板等部位空滑施工方法探討

57 、RESEARCH ON A BULLET'S STRIKING A FRICTIONLESS BLOCK TIED TO A SPRING IN TWO DIMENSIONS───二維空間下子彈擊彈簧滑塊的研究

58 、With 3-Dimension motion of the mid-body you can achieve frictionless lateral flexion with no movement in the gas springs.───中央部份可氖三維運動(dòng)，讓用者在不使用氣壓彈簧的情況下作無(wú)阻力橫向屈曲。

59 、frictionless hinge───無(wú)摩擦鉸鏈

60 、Its low cost and global reach make it extremely convenient and efficient, and offer unique opportunities for the development and growth of frictionless commerce.───它的低成本和全球送達范圍使得它非常的方便和高效，也為無(wú)摩擦的商業(yè)經(jīng)濟（frictionlesscommerce）發(fā)展和成長(cháng)提供了獨一無(wú)二的契機。

61 、a hypothetical pendulum suspended by a weightless frictionless thread of constant length.───懸浮在一定長(cháng)度的無(wú)摩擦力的細絲上的假定鐘擺。

62 、The upper-hedging price of an ECC is obtained by introducing a family of auxiliary frictionless financial markets Existence of an optimal portfolio for hedging contingent claims is shown.───通過(guò)引入反映上述金融市場(chǎng)摩擦的輔助無(wú)摩擦金融市場(chǎng)類(lèi)，給出上套期保值價(jià)格的表達式，并證明了最優(yōu)上套期保值策略的存在性。

63 、It turns so smoothly that it will seem frictionless to any student standing on it.───因為它幾乎無(wú)摩擦力所以當學(xué)生站在上面時(shí)可以很容易的轉動(dòng)。

64 、As long as there is a frictionless credit market where agents borrow from and lend to each other, income redistribution doesn't influence the long-term economic growth.───摘要當信貸對那些稟賦較少的當事人是完全可獲取時(shí)，再分配對長(cháng)期增長(cháng)無(wú)影響。

Physics - Velocity

A 5.00kg ball

moving to the right at a velocity of 2.00m/s on a frictionless table

collides head-on with a stationary 7.5kg ball. Find the final velocities of the balls (a) if the collision is elastic and (b) if the collision is pletely inelastic and the o balls moving together.

m1 = 5 kg

u1 = +2 m/s

m2 = 7.5 kg

v1 = 0 m/s

u2 = ?

v2 = ? (a) Since the collision is elastic

kiic energy is conserved m1u1 +m2v1 = m1u2 + m2v2 -------------- (1) ½m1(u1^2) + ½ m2(v1^2) = ½m1(u2^2) + ½m2(v2^2) ----------- (2) From equation (1)

(5kg)(2m/s) +(7.5kg)(0 m/s) = (5kg)u2 + (7.5kg)v2 -------------- (3) 10 + 0 = 5u2 + 7.5v2 2 = u2 + 1.5v2 u2 = 2 - 1.5v2 -------------------------------------- (4) From equation (2) ½(5)(2^2) + ½ (7.5)(0^2) = ½(5)(u2^2) + ½(7.5)(v2^2) 20 + 0 = (5)(u2^2) + (7.5)(v2^2) --------------- (5) Two equations (4) and (5) with 2 unknown

u2 and v2

solve for the unknown Substitute equation (4) into equation (5) 20 = 5(2 - 1.5v2)^2 + (7.5)(v2^2) Multiply the above equation by 2 40 = 10(2 - 1.5v2)^2 + 15(v2^2) Then divide by 5(v2^2) 8 = 2(2 - 1.5v2)^2 + 3(v2^2) 8 = 2[4 - 6v2 + 2.25(v2^2)] + 3(v2^2) 8 = 8 - 12v2 + 4.5(v2^2) + 3(v2^2) 0 = - 12v2 +7.5(v2^2) Multiply by 2 15(v2^2) - 24v2 3v2(5v2 – 8) = 0 5v2 – 8 = 0 v2 = 8/5 = 1.6 m/s From equation (4) u2 = 2 - 1.5v2 = 2 – 1.5(1.6) u2 = - 0.4 m/s in the opposite direction After collision

5 kg ball moves with 0.4 m/s in opposite direction and 7.5 kg ball moves with 1.6 m/s in the same direction. (5 kg ball is bounced backward) (b) Since the collision is inelastic

some kiic energy is lost Let v3 be the final velocity of both balls 5kg)(2m/s) +(7.5kg)(0 m/s) = (5kg)v3 + (7.5kg)v3 10 = 12.5 v3 v3 = 10/12.5 = v3 = 0.8 m/s in the same direction The final velocity of both balls is 0.8 m/s in the same direction 2011-02-23 04:07:38 補充： In part (a)

no where did the question mention that final velocity of 5 kg ball is zero. The assumption is wrong. It is also wrong that kiic energy before collision (10 J) and after collision (6.66 J) is different. Kiic energy must be conserved for elastic collision.

(a) m1u1+m2u2=m1v1+m2v2 5 x 2+7.5 x 0 = 5 x 0 + 7.5 x v2 on solving

v2 = 1.33 m/s; v1 = 0 m/s (b) m1u1+m2u2= (M1+m2)V 5 x 2+7.5 x 0 = (5 +7.5) x V on solving

V = 0.8 m/s

liquid的經(jīng)典引文liquid的經(jīng)典引文是什么

liquid的經(jīng)典引文是：Whichfeedeseachlivingplantwithliquidsap.出自：Spenser。

liquid的經(jīng)典引文是：Whichfeedeseachlivingplantwithliquidsap.出自：Spenser。liquid的詳盡釋義是adj.(形容詞)液體的，液態(tài)的流暢的流動(dòng)的柔和的清脆的不穩定的，不固定的，易變的透明的清澈的，清澄的明亮的易換為現金的流利的語(yǔ)流音的。liquid的讀音是英['l_kw_d]；美['l_kw_d]。

一、詳盡釋義點(diǎn)此查看liquid的詳細內容

adj.(形容詞)液體的，液態(tài)的流暢的流動(dòng)的柔和的清脆的不穩定的，不固定的，易變的透明的清澈的，清澄的明亮的易換為現金的流利的語(yǔ)流音的n.(名詞)液體流體語(yǔ)流音液相液態(tài)二、雙解釋義

n.(名詞)[U][C]液體asubstancewhichisnotasolidoragas,whichflows,iswet,andhasnofixedshapeadj.(形容詞)液體的,液態(tài)的intheformofaliquid清澈的,明亮的clear,asifcoveredincleanwater(聲音)流暢的(ofsounds)clearandflowing,withapurequality三、英英釋義

Noun:asubstancethatisliquidatroomtemperatureandpressure

thestateinwhichasubstanceexhibitsacharacteristicreadinesstoflowwithlittleornotendencytodisperseandrelativelyhighincompressibility

fluidmatterhavingnofixedshapebutafixedvolume

africtionlesscontinuantthatisnotanasalconsonant(especially`l'and`r')

Adjective:existingasorhavingcharacteristicsofaliquid;especiallytendingtoflow;"waterandmilkandbloodareliquidsubstances"

filledorbrimmingwithtears;"swimmingeyes"

"sorrowmadetheeyesofmanygrowliquid"

clearandbright;"theliquidairofaspringmorning"

"eyesshiningwithaliquidluster"

"limpidblueeyes"

changedfromasolidtoaliquidstate;"riversfilledtooverflowingbymeltedsnow"

smoothandflowinginquality;entirelyfreeofharshness;"theliquidsongofarobin"

smoothandunconstrainedinmovement;"along,smoothstride"

"thefluidmotionofacat"

"theliquidgraceofaballerina"

incashoreasilyconvertibletocash;"liquid(orfluid)assets"

四、例句

Thedoctorrecommendedthatthepatientbefedliquidfood.

醫生建議病人應吃流質(zhì)食物。

Airwhetherinthegaseousorliquidstateisafluid.

空氣，無(wú)論是氣態(tài)的還是液態(tài)的，都是一種流體。

Theearthisbelievedtohavealiquidcore.

人們相信地球有一個(gè)液態(tài)核。

Kateisaprettygirlwithlargeliquideyes.

凱特是一個(gè)有一雙水汪汪大眼睛的漂亮姑娘。

Theliquidnoteofanoriolesoundpleasingtotheear.

黃鶯清脆的鳴叫聲聽(tīng)起來(lái)很悅耳。

Howmuchliquidcapitaldoyouhavetoinvest?

您有多少流動(dòng)資金可以用于投資?

Plasmaisclearyellowliquid.

血漿是種透明淡黃的液體。

Theliquidwas5litresinvolume.

該液體的體積為5升。

五、常見(jiàn)句型

用作名詞(n.)Shepouredoutalargequantityofliquidfromabottle.

她從一個(gè)瓶子里倒出許多液體。Aliquidflowsfreelyandhasnofixedshape.

液體能自由流動(dòng),無(wú)固定形狀。Otherliquidsareoilandmilk.

其他的液體有油和牛奶。用作形容詞(adj.)用作定語(yǔ)～+n.Thedoctorrecommendedthatthepatientshouldbefedliquidfood.

醫生建議病人應多吃流質(zhì)食物。Water,milkandbloodareliquidsubstances.

水、牛奶以及血液都是液態(tài)物質(zhì)。Shehasliquidandblueeyes.

她有一對水汪汪的藍色眼睛。Thiskindofbirdhasaliquidsong.

這種鳥(niǎo)的叫聲很清脆。用作表語(yǔ)S+be+～Ifyoumeltbutter,itbecomesliquid.

奶油熔化后變成液體。六、經(jīng)典引文

Whichfeedeseachlivingplantwithliquidsap.

出自：SpenserDeckingwithliquidpearlthebladedgrass.

出自：MidsummerNight'sDream,ShakespeareHe..squirtedliquidsoapintothesink.

出自：G.Gordon七、詞源解說(shuō)

14世紀晚期進(jìn)入英語(yǔ)，直接源自拉丁語(yǔ)的liquidus，意為流動(dòng)。liquid的相關(guān)近義詞

fluid、clear、flowing

liquid的相關(guān)反義詞

solid、vapor、harsh、solid

liquid的相關(guān)臨近詞

liquor、lipstick、liquids、liquidum、liquidly、liquidus、liquidty、liquidene、liquidCO、liquidise、liquidKZ、liquidize

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