logarithm

logarithm

1. 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。

2. 4 is the characteristic of the logarithm 4.7193.

4是对数4.7193的首数。

3. 7193 is the mantissa of the logarithm 4.7193

7193是对数4.7193的尾数

4. 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洗手液用量为1.8 m l,经洗手后,对粘质沙雷菌的细菌减少对数值分别为2.93和2.28,达到合格要求。

5. C#Builder is about to release, borland occupies its logarithm the support of the library, developed acme.

C#Builder即将发布,Borland将其对数据库的支持,发挥到了极致。

6. e-th Root of Discrete Logarithm Problem

e次方根问题

7. PH value: Self defines the negative logarithm being hydrogen ion concentration.

PH值：本身定义是氢离子浓度的负对数。

8. 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]袁裕泽.随机场重对数律的精确渐近性[J].浙江大学学报:理学版,2005,32(2):152-155.

9. Calculates natural logarithm of an OracleNumber. Natural logarithms are based on the constant e (2.71828182845904).

[本主题是预发布的文档，在将来发布的版本中可能会有更改。空白主题是为将来预留的。

10. 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.

一种子例行程序，它返回一个单独变量值，通常只有一个出口。例如计算数学函数的子例程，像正弦、余弦、对数等，又如求一组数的最大值的子例程。

11. It is not possible to obtain the logarithm of a negative number.

不可能的获得负数的对数。

12. Furthermore, different from some traditional private mechanism, the cryptological technology is not limited in the discrete logarithm in our mechanism.

与传统的私密交易机制不同，我们的数字产品交易机制加密机制不仅仅是离散对数。

13. Compared with classical group signature, the conic analog over Zn has strongly improved the security of computing discrete logarithm.

与经典群签名方案相比较，离散对数问题更加困难，有效提高了方案的安全性；

14. Both of their security are based on the intractability of elliptic curve discrete logarithm problem.

两种方案的安全性都是基于椭圆曲线离散对数问题的难解性。

15. For example, the cepstrum converts a signal to the frequency domain through Fourier transform, takes the logarithm, then applies another Fourier transform.

为了保证被采样的模拟信号是带限的，通常在采样之前要对它进行适当的带通或低通滤波。

16. 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.

为此,根据大量的试验检测结果建立了PFWD与承载板、CBR、弯沉和FWD检测值之间的相关关系,结果表明各检测值之间存在良好的双对数关系。

17. 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；

18. His first design is for a machine to calculate such thing as logarithm table.

他的最初设计是为机器计算诸如对数表之类的事情。

19. The following example returns the result of raising a base-10 logarithm to a specified power.

以下示例返回对以10为底的对数执行指定幂计算的结果。

20. 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).

以平均钻时(秒)DT为钻时样本,取DT以2为底的对数为可钻性等级(DCG)。

21. 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.

以该MEEKC方法对阿昔洛韦、扑热息痛、多沙唑嗪以及氯雷他定4种电中性药物的logP_(ow)值进行了测定，其测定值与采用经典的摇瓶法测得的logP_(ow)值较接近，平均差值为0.15。

22. After passage,the pericytes accelerate growing,and come into logarithm growth period on the third day and flat period on the tenth day.

传代培养后增长速度加快 ,第 3天进入对数生长期 ,第 10天进入平台期。

23. Here,another scheme based on elliptic curve discrete logarithm problem(ECDLP)wasproposed.

传统的代理签名方案都是基于离散对数问题的。

24. 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.

作为这一法则的一个有趣应用,给出了2-型空间情形的一个关于叠对数律的子序列原理的结果。

25. 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.

使用椭圆曲线作为公钥密码体制的基础是由于定义在有限域上的椭圆曲线上点的集合可构成阿贝尔群 ,由此可定义其上的离散对数 ,即椭圆离散对数 .

26. 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.

使用椭圆曲线作为公钥密码体制的基础是由于定义在有限域上的椭圆曲线上的点的集合可构成阿贝尔群，由此可定义其上的离散对数，即椭圆离散对数。

27. 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.

使用随圆曲线作为公钥密码体制的基础是由于定义在有限域上的椭圆曲线上的点集合可构成阿贝尔群，由此可定义其上的离散对数，即椭圆离散对数。

28. Value containing the logarithm of a specified number.

值,此值包含指定数字的对数。

29. 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.

先筛选出15组47项症状因子并求出各症状因子的频数对数，再计算各证候的似然概率，根据似然概率的大小确定中医证候诊断。

30. 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".

光学密度:物质吸收光的能力，用不透明度的对数来表示。在印刷方面，‘光学密度’通常简称为‘密度’。参阅密度。

31. A little judicious guessing should be done about trace versus determinant, and more generally, about logarithm versus exponential .

关于迹与行列式，以及更一般地关于对数与指数的关系，要进行一些审慎合理的猜测。

32. 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.

准确及时地确定近海台风中心位置、大风分布等是了解热带气旋活动情况，做好预报服务工作的前提。

33. The log() function returns the natural logarithm (base E) of a number.

函数的作用是：返回一个数值的自然对数。

34. 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.

分贝通常表示两个声音信号或电力信号在功率或强度方面的相对差别的单位，相当于两个水平的比率的常用对数的十倍

35. The computational intractability of the Elliptic Curve Discrete Logarithm Problem (ECDLP) over a finite field enhances security of the scheme.

利用有限域上椭圆曲线点群中的离散对数问题的难解性来增强协议的安全性。

36. A unit for measuring power. The number of nepers is the logarithm ( base e ) of the ratio of the measured power levels.

功率度量单位。奈培数等于所测的电平功率与参考电平的比值取自然对数。1奈培等于8.686分贝。

37. A unit for measuring power. The number of nepers is the logarithm(base e) of the ratio of the measured power levels.

功率度量单位。奈培数等于所测的电平功率与参考电平的比值取自然对数。1奈培等于8。686分贝。

38. Step Logarithm Dual LED Display Driver

双五点对数LED电平显示驱动电路

39. The number for which a given logarithm stands;for example,where log x equals y,the x is the antilogarithm of y.

反对数，逆对数一个特定对数代表的数字;例如，如X的对数等于Y那么X就是Y的反对数

40. The number for which a given logarithm stands; for example, where log x equals y, the x is the antilogarithm of y.

反对数，逆对数一个特定对数代表的数字；例如，如x的对数等于y那么x就是y的反对数

41. 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.

反应过程中氧化产物会发射出一定波长的光线,其强度的对数与钴离子的含量的对数成正比。

42. The other is based on discrete logarithm problem(DLP), like DSA.

另一类是基于离散对数问题的，如DSA数字签名体制。

43. The biodiversity of the net-phytoplankton community decreases with the increase of logarithm of the cell abundance value.

另外，网采浮游植物群落的多样性随细胞丰度值的对数增加而降低。

44. 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.

可以根据文件的重要性而灵活地选取不同的门限值进行门限签名；

45. And the logarithm of head breadth (including length of prothorax, antenna and body) varies linearly with in...

各实测值与理论值的吻合度均较高,其中以头壳的吻合程度最好。

46. 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.

在一定条件下，证明了其收敛速度符合重对数律。

47. 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.

在信息论中,信息的一种对数度量单位,它等于以2为底的对数所表示的一组互斥事件的决策量。

48. 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个树种的直径生长量预估模型中,均包含了InD和D~2二个变量。

49. It is repressed as the logarithm of the opacity of the material.

在印刷方面，‘学密度’通常简称为‘度’。

50. In the verified scheme, the respective participants receiving the shares can verify their validity based on the discrete logarithm problem (DLP).

在可验证方案中，基于离散对数问题，各参与者可以检验属于自己份额的共享的正确性。

51. In cryptography, we also need to discuss modular logarithm.

在密码学中，我们也需要讨论模对数。

52. 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.

在指数模型、幂函数模型、平方根模型、双曲线模型和对数模型等回归参数模型中,只有对数模型能较真实反映高填方地基工后沉降规律。

53. 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.

在提供相同安全的条件下 ,椭圆曲线密码体制比其它公钥密码体制需要更小的密钥长度、计算开销和带宽 ,具有更广泛的适用性。

54. 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.

在温度一定的情况下，膨胀因子与氧化电压呈线性关系，其倒数与电流密度的对数成正比；

55. Under the condition of a discrete logarithm problem,S2 is decrypted by the OPE(Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial(scheme 2).

在离散对数困难问题的条件下,利用不经意多项式估值协议和拉格朗日插值多项式来解密S2(方案2).

56. Under the condition of discrete logarithm problem, S2 was decrypted by OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2).

在离散对数困难问题的条件下，利用不经意多项式估值协议(OPE)和拉格朗日插值多项式来解密S2（方案2）。

57. Under the condition of a discrete logarithm problem, S2 is decrypted by the OPE (Oblivious Polynomial Evaluation) protocol and Lagrange Interpolation Polynomial (scheme 2).

在离散对数困难问题的条件下，利用不经意多项式估值协议和拉格朗日插值多项式来解密S2（方案2）。

58. Under the condition of the discrete logarithm problem, S2 is decrypted by the Chinese Remainder Theorem (scheme 2).

在离散对数困难问题的条件下，利用中国剩余定理来解密S2（方案2）。

59. 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.

在考虑塑性区内不排水强度是扰动度的对数函数的基础上,得到了考虑扰动的球形孔扩张的弹塑性解答。

60. 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.

在计算离散对数困难的假定下，协议没有泄漏任何敏感信息并且被证明是零知识的。

61. 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.

在语音通信中构造出8位对数压缩律的ADC,在信号动态范围为100 dB的条件下,对数置换式ADC的信噪比高达31.2 dB。

62. In the random oracle model, using forking lemma proposed byPointcheval and Stern, breaking of the scheme is equivalent to solve discrete logarithm problem.

在随机神谕模型下,通过Pointcheval和Stern提出的分叉引理,攻破该方案等价于解离散对数问题。

63. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period.

地震级别是根据某一时期震动图记录的地震波振幅的对数值计算的。

64. 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.

基于离散对数困难问题，引入多频道服务参数和特殊多项式函数来解密S1，利用中国剩余定理来解密S2。

65. The digital signature protocols based on discrete logarithm problem come mainly from the transmutation of signature equation.

基于离散对数问题的数字签名系统使用的签名协议主要来自于签名等式的不同变形。

66. 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.

基于若要同时分解因子和计算离散对数几乎是不可能的假设，介绍了构成公开钥密码体制的原理和方法，从而增强了安全性。

67. The logarithm of resistivity is(linear) with relative volume under melting poin...

复合材料在熔点之下,电阻率的对数值与相对体积存在线性关系。

68. For polynomial fitting method, polynomial was changed into fitting curves of hyperbola, S-figure curve, converse exponential curve and logarithm curve, etc.

多项式拟合先将其化为双曲线、S型曲线、倒指数曲线、对数曲线等拟合曲线,再求解拟合多项式系数。

69. If we use exponentiation to encrypt or decrypt, the adversary can use logarithm to attack.

如果我们运用求幂运算来加密和解密，对手就可以运用对数进行攻击。

70. The IMLN(string) returns the natural logarithm of a complex number.

字符串)函数返回复数的自然对数。

71. 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、八周之累积氮矿化量与资材碳氮比之自然对数值，可达显著负相关。

72. The experimental results show that the blackness of the spectral line is linear to the logarithm of the sample accumulating time.

实验结果表明:谱线黑度值与试样积累时间的对数值之间具有较好的线性关系。

73. The electrode gives a linear response of potential with respect to the logarithm of arsenate concentration at constant pH.

实验证明:该修饰电极具有化学传感器的特性,可用此电极作为工作电极。

74. 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.

对于不能对角和不满秩的时间序列矩阵，运用指数对数的可逆变换及相关的列变换化为满秩可对角的时间序列矩阵，从而找到代数多项式模型。

75. Of a logarithm, the non - negative fractional part of the represent ation of a logarithm.

对于对数而言，一个对数表示式中的非负的小数部分。

76. The characteristic of the logarithm 6.3214 is 6.

对数6.3214的首数是6。

77. natural logarithm function ln(x)

对数函数ln（x）

78. 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.

对数在左截断右删失数据下,我们基于乘积限估计给出了分位密度估计,获得了分位密度估计及其导数的重对数律.

79. The whole-number part of a logarithm is called the characteristic.

对数的整数部分叫做“首数”。

80. The number by which a logarithm in one system must be multiplied to obtain the corresponding logarithm in another system.

对数的模当从一个系统变换到另一个系统时为得到相应的对数须乘以的一个数