because some products show no failure in the random truncation test period, this paper uses the mean rank order method to calculate the empirical cumulative distribution function.

考虑随机截尾试验中有些试验产品无故障数据出现，提出采用平均秩次法计算经验分布函数。

curvature segmentation method is a multi-threshold selection method through searching valley based on histogram cumulative distribution function.

阈值的曲率分析（即基于灰度直方图累计函数的峰项一峰谷检测法中曲率函数存在着选择最适参数的问题。

in different canopy depths of all forests, the cumulative distribution curves of leaf areas index were s-shape;

各林分不同林冠深度的叶面积指数累积分布变化曲线均呈「s」型；

the act-degree distribution, act size distribution, the relationship between act degree and the saleroom, and the cumulative distribution of the saleroom are all studied.

我们统计了该网络的顶点项目度分布、项目大小分布、项目度与该顶点的销售额之间的关系、以及销售额的累计分布。

the strain amplitude aside the pin-hole was fit by the second order response surface. the cumulative distribution function of strain amplitude was achieved with monte carlo method.

采用响应表面法进行应变变程函数拟合，得到销钉孔边应变变程二次函数分布。

the desired cumulative distribution is y(x) = x, so the redistribution code is very simple.

所需的累积分布函数是y（x） =x ，所以分配代码是很简单的。

the probabilistic distribution model for the release rates of h2s in the sour gas wells of sichuan and chongqing areas was developed using the complementary cumulative distribution function.

利用川渝地区含硫气井h2s释放速率数据，根据其累积概率分布函数建立概率分布模型。

prediction rate is the cumulative distribution function of the area percentage of the landslides not used to construct a model with respect to the classes in the prediction map generated.

滑坡预测模型的预测率是，模型预测结果图的各个级别类型中，未用于建模的滑坡面积百分比的累积分布函数。

the probability density function, cumulative distribution function, average level crossing rate and average fade duration of each composite fading channel are analyzed, and some uniform expression.

给出了各种复合衰落的概率密度函数、累积分布函数、平均电平交叉率、平均衰落时间的统一表达式。