?logarithm

logarithm 發(fā)音

英：[?l??ɡ?r?e?m]　　美：[?l?ɡ?r?e?m]

英：　　美：

logarithm 中文意思翻譯

logarithm 詞性/詞形變化，logarithm變形

副詞: logarithmically |形容詞: logarithmic |

logarithm 短語(yǔ)詞組

1、Napierian logarithm ─── [數] 自然對數

2、base of a logarithm ─── 對數的底

3、digital logarithm ─── 數字對 ─── 數

4、logarithm transformation ─── [計] 對數變換

5、hyperbolic logarithm ─── 雙曲線(xiàn)對數，自然對數

6、naperian logarithm ─── [電] 納氏對數

7、complex logarithm ─── [計] 復對數

8、naphtha logarithm ─── 石腦油對數

9、mantissa of logarithm ─── [計] 對數尾數

10、logarithm A/D converter ─── [計] 對數模-數轉換器

11、anti-logarithm ─── [機] 反對數

12、natural logarithm ─── [計] 自然對數

13、base of logarithm ─── 對數底

14、coulomb logarithm ─── 庫侖對數

15、denary logarithm ─── 常用對數

16、table of logarithm ─── 對數表

17、common logarithm ─── [電] 常用對數

18、binary logarithm ─── 二進(jìn)制對數，以2為底的對數

logarithm 常用詞組

natural logarithm ─── 自然對數

logarithm 相似詞語(yǔ)短語(yǔ)

1、Hogarth ─── n.賀加斯（姓氏）

2、logarithmical ─── 對數的

3、algorithm ─── n.算法，運算法則

4、isarithm ─── isarithm公司

5、logarithms ─── n.[數]對數（logarithm的復數形式）

6、antilogarithm ─── n.逆對數；[數]反對數；真數

7、cologarithm ─── n.[數]余對數

8、logarithmic ─── adj.對數的

9、cologarithms ─── n.[數]余對數

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

1、The base using elliptic curves as public-key cryptosystem is that because the points set of elliptic curve on finite field can form Abelian group. By this,the discrete logarithm on elliptic curve can be defined. ─── 使用橢圓曲線(xiàn)作為公鑰密碼體制的基礎是由于定義在有限域上的橢圓曲線(xiàn)上的點(diǎn)的集合可構成阿貝爾群，由此可定義其上的離散對數，即橢圓離散對數。

2、After passage,the pericytes accelerate growing,and come into logarithm growth period on the third day and flat period on the tenth day. ─── 傳代培養后增長(cháng)速度加快 ,第 3天進(jìn)入對數生長(cháng)期 ,第 10天進(jìn)入平臺期。

3、7193 is the mantissa of the logarithm 4.7193 ─── 7193是對數4.7193的尾數

4、For example, the cepstrum converts a signal to the frequency domain through Fourier transform, takes the logarithm, then applies another Fourier transform. ─── 為了保證被采樣的模擬信號是帶限的，通常在采樣之前要對它進(jìn)行適當的帶通或低通濾波。

5、A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels. ─── 分貝通常表示兩個(gè)聲音信號或電力信號在功率或強度方面的相對差別的單位，相當于兩個(gè)水平的比率的常用對數的十倍

6、It calculates the logarithm of 1 plus its argument. ─── 它計算1的對數和參數(1 p表示“加1”)。

7、Under the condition of discrete logarithm problem, S2 was decrypted by OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2). ─── 在離散對數困難問(wèn)題的條件下，利用不經(jīng)意多項式估值協(xié)議(OPE)和拉格朗日插值多項式來(lái)解密S2（方案2）。

8、The biodiversity of the net-phytoplankton community decreases with the increase of logarithm of the cell abundance value. ─── 另外，網(wǎng)采浮游植物群落的多樣性隨細胞豐度值的對數增加而降低。

9、The whole-number part of a logarithm is called the characteristic. ─── 對數的整數部分叫做“首數”。

10、The IMLN(string) returns the natural logarithm of a complex number. ─── 字符串)函數返回復數的自然對數。

11、The logP_(ow) values of 4 pharmaceuticals that are electric neutral measured by this method were close to those determined by shake-flask method, and the average error between values from two methods was 0.15 logarithm units. ─── 以該MEEKC方法對阿昔洛韋、撲熱息痛、多沙唑嗪以及氯雷他定4種電中性藥物的logP_(ow)值進(jìn)行了測定，其測定值與采用經(jīng)典的搖瓶法測得的logP_(ow)值較接近，平均差值為0.15。

12、It is not possible to obtain the logarithm of a negative number. ─── 不可能的獲得負數的對數。

13、The experimental results show that the blackness of the spectral line is linear to the logarithm of the sample accumulating time. ─── 實(shí)驗結果表明:譜線(xiàn)黑度值與試樣積累時(shí)間的對數值之間具有較好的線(xiàn)性關(guān)系。

14、Washing hands with 1.8 ml of hand-washing solution A and hand-washing solution L caused reduction of logarithm of count of Serratia marcescens by 2.93 and 2.28 respectively,which fulfilled the eligible requirement. ─── A洗手液和L洗手液用量為1.8 m l,經(jīng)洗手后,對粘質(zhì)沙雷菌的細菌減少對數值分別為2.93和2.28,達到合格要求。

15、Under the condition of the discrete logarithm problem, S2 is decrypted by the Chinese Remainder Theorem (scheme 2). ─── 在離散對數困難問(wèn)題的條件下，利用中國剩余定理來(lái)解密S2（方案2）。

16、This plots the logarithm to base 10 of the values on the axis. ─── 此命令在軸上繪制以10為底的值的對數。

17、As an application of this criterion a result about subsequence principle on iterated logarithm law for the case of Banach space of type 2 is given. ─── 作為這一法則的一個(gè)有趣應用,給出了2-型空間情形的一個(gè)關(guān)于疊對數律的子序列原理的結果。

18、In the random oracle model, using forking lemma proposed byPointcheval and Stern, breaking of the scheme is equivalent to solve discrete logarithm problem. ─── 在隨機神諭模型下,通過(guò)Pointcheval和Stern提出的分叉引理,攻破該方案等價(jià)于解離散對數問(wèn)題。

19、The number by which a logarithm in one system must be multiplied to obtain the corresponding logarithm in another system. ─── 對數的模當從一個(gè)系統變換到另一個(gè)系統時(shí)為得到相應的對數須乘以的一個(gè)數

20、The number for which a given logarithm stands; for example, where log x equals y, the x is the antilogarithm of y. ─── 反對數，逆對數一個(gè)特定對數代表的數字；例如，如x的對數等于y那么x就是y的反對數

21、In sound communication,it forms the ADC of 8 bit logarithm compression ratio,under the condition of dynamic signal range of 100 dB,the signal to noise ratio of the logarithm replacement type ADC reaches 31.2 dB. ─── 在語(yǔ)音通信中構造出8位對數壓縮律的ADC,在信號動(dòng)態(tài)范圍為100 dB的條件下,對數置換式ADC的信噪比高達31.2 dB。

22、The concept of compound logarithm concentration. diagram is put forward and an example diagram is drawn in this paper. ─── 提出了復合對數濃度留的概念，并繪制了例圖。

23、The regression analysis showed the urbanization level of Baoji was positive coorelation with the logarithm of GDP. ─── 人口城市化水平全省排名第四位；

24、In information theory, a unit of logarithmic measures of information equal to the decision content of a set of two mutually exclusive events expressed as a logarithm to base two, e.g. ─── 在信息論中,信息的一種對數度量單位,它等于以2為底的對數所表示的一組互斥事件的決策量。

25、e-th Root of Discrete Logarithm Problem ─── e次方根問(wèn)題

26、4 is the characteristic of the logarithm 4.7193. ─── 4是對數4.7193的首數。

27、Of a logarithm, the non - negative fractional part of the represent ation of a logarithm. ─── 對于對數而言，一個(gè)對數表示式中的非負的小數部分。

28、For polynomial fitting method, polynomial was changed into fitting curves of hyperbola, S-figure curve, converse exponential curve and logarithm curve, etc. ─── 多項式擬合先將其化為雙曲線(xiàn)、S型曲線(xiàn)、倒指數曲線(xiàn)、對數曲線(xiàn)等擬合曲線(xiàn),再求解擬合多項式系數。

29、So the correlations of PFWD and bearing plate, CBR, deflection, FWD are established according to many testing results. The analyses indicate that the correlations are good in double logarithm. ─── 為此,根據大量的試驗檢測結果建立了PFWD與承載板、CBR、彎沉和FWD檢測值之間的相關(guān)關(guān)系,結果表明各檢測值之間存在良好的雙對數關(guān)系。

30、The base that using elliptic curves as public-key cryptosystem is because the points set of elliptic curve on finite field can form Abelian group. By this, the discrete logarithm on elliptic curve can be defined. ─── 使用隨圓曲線(xiàn)作為公鑰密碼體制的基礎是由于定義在有限域上的橢圓曲線(xiàn)上的點(diǎn)集合可構成阿貝爾群，由此可定義其上的離散對數，即橢圓離散對數。

31、Furthermore, different from some traditional private mechanism, the cryptological technology is not limited in the discrete logarithm in our mechanism. ─── 與傳統的私密交易機制不同，我們的數字產(chǎn)品交易機制加密機制不僅僅是離散對數。

32、C#Builder is about to release, borland occupies its logarithm the support of the library, developed acme. ─── C#Builder即將發(fā)布,Borland將其對數據庫的支持,發(fā)揮到了極致。

33、A unit for measuring power. The number of nepers is the logarithm(base e) of the ratio of the measured power levels. ─── 功率度量單位。奈培數等于所測的電平功率與參考電平的比值取自然對數。1奈培等于8。686分貝。

34、The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period. ─── 地震級別是根據某一時(shí)期震動(dòng)圖記錄的地震波振幅的對數值計算的。

35、The average time interval in seconds is named Drillability Time (DT), and the logarithm of the DT to the base 2-the Drillability Classification Grade (DCO). ─── 以平均鉆時(shí)(秒)DT為鉆時(shí)樣本,取DT以2為底的對數為可鉆性等級(DCG)。

36、The relationship of logarithm and preloading time of settlement rate is linear, where the unloading time can be confirmed by the graph. ─── 沉降速率的對數和堆載預壓時(shí)間又成線(xiàn)形關(guān)系，從而由圖解法也可確定卸載時(shí)間。

37、In 1614, John Napier discovered the logarithm which made it possible to perform multiplications and divisions by addition and subtraction. ─── 1614年，蘇格蘭數學家納皮爾發現了對數，使得數字的乘跟除可以加減替代。

38、The security of the scheme is set up on the intricate nature of the elliptic curve discrete logarithm problem and the knapsack problem. ─── 方案的安全性建立在橢圓曲線(xiàn)離散對數問(wèn)題和變形的背包問(wèn)題的難解性上。

39、Here,another scheme based on elliptic curve discrete logarithm problem(ECDLP)wasproposed. ─── 傳統的代理簽名方案都是基于離散對數問(wèn)題的。

40、A logarithm tells you what power a base number must be raised to in order to produce a given value. ─── 對數說(shuō)明一個(gè)底數的幾次冪等于一個(gè)給定的值。

41、By offering similar levels of security,the Elliptic Curve Cryptosystem(ECC) provides greater efficiency than either integer factorization systems or discrete logarithm systems,in terms of computational overheads,key sizes,and bandwidth. ─── 在提供相同安全的條件下 ,橢圓曲線(xiàn)密碼體制比其它公鑰密碼體制需要更小的密鑰長(cháng)度、計算開(kāi)銷(xiāo)和帶寬 ,具有更廣泛的適用性。

42、In this paper laws of the iterated logarithm for quantile density estimator and its derivative estimators areestablished when data are subject to left-truncated and right-censored observations. ─── 對數在左截斷右刪失數據下,我們基于乘積限估計給出了分位密度估計,獲得了分位密度估計及其導數的重對數律.

43、The computational intractability of the Elliptic Curve Discrete Logarithm Problem (ECDLP) over a finite field enhances security of the scheme. ─── 利用有限域上橢圓曲線(xiàn)點(diǎn)群中的離散對數問(wèn)題的難解性來(lái)增強協(xié)議的安全性。

44、Under the condition of a discrete logarithm problem,S2 is decrypted by the OPE(Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial(scheme 2). ─── 在離散對數困難問(wèn)題的條件下,利用不經(jīng)意多項式估值協(xié)議和拉格朗日插值多項式來(lái)解密S2(方案2).

45、Value containing the logarithm of a specified number. ─── 值,此值包含指定數字的對數。

46、The dilogarithm is an integral of the logarithm. ─── 二重對數是對數的積分。

47、The other is based on discrete logarithm problem(DLP), like DSA. ─── 另一類(lèi)是基于離散對數問(wèn)題的，如DSA數字簽名體制。

48、The methods to locate typhoon of intensity model contain mainly the superseding repeated and the counting of logarithm spirl chart of typhoon has some characteristicinformation. ─── 準確及時(shí)地確定近海臺風(fēng)中心位置、大風(fēng)分布等是了解熱帶氣旋活動(dòng)情況，做好預報服務(wù)工作的前提。

49、The integer part, which May be positive or negative, of the representation of a logarithm. ─── 對數表示法的整數部分，它可以是正的或負的。對照mantissa。

50、During the reaction in progress, light of a definite wavelength would emit from the product of oxidation, and the logarithm of its intensity was proportional to the logarithm of the content of Co~(2+) ion. ─── 反應過(guò)程中氧化產(chǎn)物會(huì )發(fā)射出一定波長(cháng)的光線(xiàn),其強度的對數與鈷離子的含量的對數成正比。

51、Under some conditions, it is proved t hat the kernal estimators converges to the regression function at the rate of th e law of the iterated logarithm. ─── 在一定條件下，證明了其收斂速度符合重對數律。

52、A little judicious guessing should be done about trace versus determinant, and more generally, about logarithm versus exponential . ─── 關(guān)于跡與行列式，以及更一般地關(guān)于對數與指數的關(guān)系，要進(jìn)行一些審慎合理的猜測。

53、The number for which a given logarithm stands;for example,where log x equals y,the x is the antilogarithm of y. ─── 反對數，逆對數一個(gè)特定對數代表的數字;例如，如X的對數等于Y那么X就是Y的反對數

54、The following example returns the result of raising a base-10 logarithm to a specified power. ─── 以下示例返回對以10為底的對數執行指定冪計算的結果。

55、Compared with classical group signature, the conic analog over Zn has strongly improved the security of computing discrete logarithm. ─── 與經(jīng)典群簽名方案相比較，離散對數問(wèn)題更加困難，有效提高了方案的安全性；

56、PH value: Self defines the negative logarithm being hydrogen ion concentration. ─── PH值：本身定義是氫離子濃度的負對數。

57、In cryptography, we also need to discuss modular logarithm. ─── 在密碼學(xué)中，我們也需要討論模對數。

58、All exponential models, power function models, root-squaring models, hyperbolic models, but logarithm models can’t disclose the laws of the post- construction settlement of the high embankment. ─── 在指數模型、冪函數模型、平方根模型、雙曲線(xiàn)模型和對數模型等回歸參數模型中,只有對數模型能較真實(shí)反映高填方地基工后沉降規律。

59、And the logarithm of head breadth (including length of prothorax, antenna and body) varies linearly with in... ─── 各實(shí)測值與理論值的吻合度均較高,其中以頭殼的吻合程度最好。

60、Motivated by this concern, based on the intractability of the discrete logarithm problem, a new dynamic threshold signature scheme that solves the above problem is proposed in the paper. ─── 可以根據文件的重要性而靈活地選取不同的門(mén)限值進(jìn)行門(mén)限簽名；

61、The accumulative mineralized N (AMN) released during 2, 4, 6, and 8 weeks incubation period was significantly negative correlated with the naperian logarithm of C/N value of the organic materials. ─── 孵育二、四、六、八周之累積氮礦化量與資材碳氮比之自然對數值，可達顯著(zhù)負相關(guān)。

62、On the assumption that simultaneous solutions of factoring and discret logarithm are very unlikely,this paper presents the principle and method of a public key cryptosystem,which could be used to improve security. ─── 基于若要同時(shí)分解因子和計算離散對數幾乎是不可能的假設，介紹了構成公開(kāi)鑰密碼體制的原理和方法，從而增強了安全性。

63、If we use exponentiation to encrypt or decrypt, the adversary can use logarithm to attack. ─── 如果我們運用求冪運算來(lái)加密和解密，對手就可以運用對數進(jìn)行攻擊。

64、natural logarithm function ln(x) ─── 對數函數ln（x）

65、The electrode gives a linear response of potential with respect to the logarithm of arsenate concentration at constant pH. ─── 實(shí)驗證明:該修飾電極具有化學(xué)傳感器的特性,可用此電極作為工作電極。

66、A subroutine that returns the value of a single variable, and that usually has a single exit, for example, subroutines that compute mathematical functions, such as sine, cosine, logarithm, or that compute the maximum of a set of numbers. ─── 一種子例行程序，它返回一個(gè)單獨變量值，通常只有一個(gè)出口。例如計算數學(xué)函數的子例程，像正弦、余弦、對數等，又如求一組數的最大值的子例程。

67、Based on DL(discrete logarithm)problem, S1 is decrypted by introducing a multi-channel service parameter and a special polynomial function, S2 is decrypted by Chinese Remainder Theorem. ─── 基于離散對數困難問(wèn)題，引入多頻道服務(wù)參數和特殊多項式函數來(lái)解密S1，利用中國剩余定理來(lái)解密S2。

68、The natural logarithm of DBH (lnD) and square diameter (D~2) were included in the predicting models of diameter increment for all 15 species. ─── 在全部15個(gè)樹(shù)種的直徑生長(cháng)量預估模型中,均包含了InD和D~2二個(gè)變量。

69、The digital signature protocols based on discrete logarithm problem come mainly from the transmutation of signature equation. ─── 基于離散對數問(wèn)題的數字簽名系統使用的簽名協(xié)議主要來(lái)自于簽名等式的不同變形。

70、Optical densety: Light-absorbing capacity of a material. It is repressed as the logarithm of the opacity of the material. In graphic arts, the word "density" is simply taken to mean "optical density". ─── 光學(xué)密度:物質(zhì)吸收光的能力，用不透明度的對數來(lái)表示。在印刷方面，‘光學(xué)密度’通常簡(jiǎn)稱(chēng)為‘密度’。參閱密度。

71、On the basis of the undrained shear strength being the logarithm function of the disturbance degree,the elasto-plastic solution of the cylindrical expansion is obtained. ─── 在考慮塑性區內不排水強度是擾動(dòng)度的對數函數的基礎上,得到了考慮擾動(dòng)的球形孔擴張的彈塑性解答。

72、The characteristic of the logarithm 6.3214 is 6. ─── 對數6.3214的首數是6。

73、With the assumption that computing discrete logarithm is intractable, the protocols do not reveal any sensitive information and are proven to be of zero-knowledge. ─── 在計算離散對數困難的假定下，協(xié)議沒(méi)有泄漏任何敏感信息并且被證明是零知識的。

74、It is repressed as the logarithm of the opacity of the material. ─── 在印刷方面，‘學(xué)密度’通常簡(jiǎn)稱(chēng)為‘度’。

75、Calculates natural logarithm of an OracleNumber. Natural logarithms are based on the constant e (2.71828182845904). ─── [本主題是預發(fā)布的文檔，在將來(lái)發(fā)布的版本中可能會(huì )有更改?？瞻字黝}是為將來(lái)預留的。

76、Logarithm of frequence of every symptom factor was calculated, and then the likelihood possibility ratio of every syndrome, according to which the diagnosis of syndrome was determined. ─── 先篩選出15組47項癥狀因子并求出各癥狀因子的頻數對數，再計算各證候的似然概率，根據似然概率的大小確定中醫證候診斷。

77、The log() function returns the natural logarithm (base E) of a number. ─── 函數的作用是：返回一個(gè)數值的自然對數。

78、In the verified scheme, the respective participants receiving the shares can verify their validity based on the discrete logarithm problem (DLP). ─── 在可驗證方案中，基于離散對數問(wèn)題，各參與者可以檢驗屬于自己份額的共享的正確性。

79、Linear dependences were obtained for the volume expansion factor versus applied voltage and reciprocal of the volume expansion factor versus current density logarithm at a given temperature. ─── 在溫度一定的情況下，膨脹因子與氧化電壓呈線(xiàn)性關(guān)系，其倒數與電流密度的對數成正比；

80、We can find a polynomial model of a time series in case its associated matrix is not diagonal and not of full rank by using the transformations of the exponential and the logarithm. ─── 對于不能對角和不滿(mǎn)秩的時(shí)間序列矩陣，運用指數對數的可逆變換及相關(guān)的列變換化為滿(mǎn)秩可對角的時(shí)間序列矩陣，從而找到代數多項式模型。

81、The base that using elliptic curves as public key cryptosystem is because of the points set of elliptic curve on finite field can construct Abelian group. By this, the discrete logarithm on elliptic curve can be defined. ─── 使用橢圓曲線(xiàn)作為公鑰密碼體制的基礎是由于定義在有限域上的橢圓曲線(xiàn)上點(diǎn)的集合可構成阿貝爾群 ,由此可定義其上的離散對數 ,即橢圓離散對數 .

82、His first design is for a machine to calculate such thing as logarithm table. ─── 他的最初設計是為機器計算諸如對數表之類(lèi)的事情。

83、The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period. ─── 地震級別是根據某一時(shí)期震動(dòng)圖記錄的地震波振幅的對數值計算的。

84、Both of their security are based on the intractability of elliptic curve discrete logarithm problem. ─── 兩種方案的安全性都是基于橢圓曲線(xiàn)離散對數問(wèn)題的難解性。

85、Step Logarithm Dual LED Display Driver ─── 雙五點(diǎn)對數LED電平顯示驅動(dòng)電路

86、Under the condition of a discrete logarithm problem, S2 is decrypted by the OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2). ─── 在離散對數困難問(wèn)題的條件下，利用不經(jīng)意多項式估值協(xié)議和拉格朗日插值多項式來(lái)解密S2（方案2）。

87、The logarithm of resistivity is(linear) with relative volume under melting poin... ─── 復合材料在熔點(diǎn)之下,電阻率的對數值與相對體積存在線(xiàn)性關(guān)系。

88、A unit for measuring power. The number of nepers is the logarithm ( base e ) of the ratio of the measured power levels. ─── 功率度量單位。奈培數等于所測的電平功率與參考電平的比值取自然對數。1奈培等于8.686分貝。

89、YUAN Yu-ze.Precise asymptotics in law of the iterated logarithm of random fields[J].J of Zhejiang University:Science Edition,2005,32(2):152-155. ─── [3]袁裕澤.隨機場(chǎng)重對數律的精確漸近性[J].浙江大學(xué)學(xué)報:理學(xué)版,2005,32(2):152-155.

log叫什么對數？

“l(fā)og”是“l(fā)ogarithm”的縮寫(xiě)，是對數函數的意思。在數學(xué)中，對數是對求冪的逆運算，正如除法是乘法的倒數，反之亦然。 這意味著(zhù)一個(gè)數字的對數是必須產(chǎn)生另一個(gè)固定數字寫(xiě)作函數 y=log(a) x，意思是數x叫做以a為底N的對數。對數和冪運算是相對的，常用的對數函數以10為底的對數，記為lg、以無(wú)理數e為底，記為ln。