对数

This paper proposed a secure proxy signature scheme based on the security of logarithmic problem and one-way function.

基于离散对数问题和单向函数的安全性，提出了一个新的安全的代理签名方案。

Definition of the Natural Logarithmic Function ...

自然对数函数之定义推导得。。。

The techniques may exploit properties of a logarithmic function to reduce the memory requirements needed to implement lookup tables.

该技术可能利用对数函数的性质以减少实现查询表需要的存储要求。

The average time for hydrate crystallization of the water droplets' population was represented as a logarithmic function of the inverse of absolute temperature.

的平均时间为水合物结晶的水滴'人口的代表作为一个对数函数的逆绝对温度。

However, if the evaluation length is too short, the structure function logarithmic value of surface profile is scattering.

评定长度也基本上不影响分形维数的大小，但是当评定长度过小时，轮廓曲线的结构函数双对数坐标图会出现离散化现象。

On the base of it,literature [26]、[27] introduced Euro-pean option pricing with logarithmic utility and power utility function which isadopted by the agent.

在此基础上文献[26]、[27]介绍了不完全信息情况下，代理人的效用函数分别是对数效用函数和幂函数时的欧式期权定价公式。

The experimental datafitting shows that the relationship between relative permeability coefficient Ke and Kr is a logarithmic function .

经试验数据拟合，表明相对渗透系数Ke与Kr之间存在对数函数关系。

However, it reduced as sliding speed increased. Plastic deformation of stainless steel with testing duration followed A logarithmic function.

不锈钢试样在试验过程中的变形量与时间之间存在对数函数关系，且其摩擦中心区域的塑性变形大于端部变形量，其磨损机理以黏着磨损和磨粒磨损为主。

The results of simulation show that the backoff algorithm based on logarithmic function is obviously effective in improving the capability of throughput and fairness of Ad Hoc network, reducing network delay and the ratio of packet loss, and the capability of new backoff algorithm is better than that of Binary Exponential Backoff algorithm.

仿真结果表明，基于对数函数的退避算法对提高Ad Hoc网络的吞吐量性能和公平性、降低网络延时有明显的效果，性能优于二进制退避算法。

Pathological changes of colon epithelial tissues were induced so that there were significant differences in the averaged values of the Kubelka-Munk function f and logarithmic Kubelka-Munk function log［f］ of the protein absorption bands at 280 nm between normal and adenomatous colon epithelial tissues, and the differences were 208%(p＜0.05) and 59.0%(p＜0.05) respectively.

结肠上皮组织的癌变导致其上皮组织在β-胡罗卜素吸收带(480 nm处)的Kubelka-Munk光谱函数f 及其对数log［f］的平均值在480 nm处也都有非常显著性的差异，其差异分别为41.7%(p＜0.05)和32.9%(p＜0.05)。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。