对数的

This algorithm mainly consists of two parts: auto shutter control based on cubic interpolating polynomial of common logarithm of the image average gray and image grey stretch technique based on experiment data analysis.

结合图像处理中的灰度拉伸技术，实现了一种方便、稳定及高精度的调光。其算法主要由基于场景灰度均值对数的三次多项式插值函数自动快门控制和图像灰度拉伸实现。

This system's security is based on the difficulty of large number's factoring and the intractability discrete logarithm problem.

该体制的安全性是基于大数分解的困难性及离散对数的难解性。

The security of all these algorithms is based on the difficulty in factorizing large integer and computing discrete logarithm.

这些方案的安全性都是基于大数分解的困难性和有限群上计算离散对数的困难性。

The reflection instrument measure the proportion of light that is absorbed by the printed ink film, but this is converted and display in the logarithmic optical density scale.

反映器具测量被印刷墨水电影吸收的光的比例，但是这被转换而且在对数的光学密度刻度显示。

We used logistic regression analyses to estimate the relative risk of birth outcomes with 95% confidence intervals.

采用对数的回归分析评价生育的相对危险性，可信区间为95%。

A change in the relative numbers of the different groups of individuals making up a population .

组成人口的不同个体群之间相对数的变化。

A presentation of statistical data in geographical distribution on a map .

和时间有关的资料用对数的方式绘制出来显示在图2里。

The molecular extinction coefficient is equal to the ratio of the log of the intensity of the incident and emergent light.

分子的消光系数等于入射光和透射光强度对数的比。

In this paper, based upon the precondition of half-sib design and flanking genetic markers, the change of statistical power for detecting QTL was investigated as selection intensity varied.

提出了相对数的概念来说明在不同选择强度下QTL检测的统计功效变化。

Optimized geometry of the roller raceways, rollers with logarithmic profile and an integrated optimized lubrication system are increasing the technical and economical value.

滚柱滚道的几何最优化，拥有对数的外形和整合优化的润滑系统提升了技术和经济效益。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。