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- The ratio of sample size to population size. 抽样规模与人口规模的比率。
- Investigates the survey manner, sampling method and calculation of sample size. 就调查方式、抽样方法和样本容量的计算进行了探讨。
- Objective Explore the method for the estimation of sample size in two stage cluster randomization tirals. 目的探讨两阶段整群随机化设计两组比较样本例数估计方法。
- Estimation of sample size must be completed before the sample of post-enumeration quality survey is drawn. 样本量估计是抽取事后质量检查样本之前必须要做的一项工作。
- A new computational formula of fiducial probability in consideration of sample size and subsample standard deviation is derived from the least squares principle. 利用最小二乘原理,推导出考虑样本容量和子样标准差的求解置信概率的函数,继而确定数据的置信区间,对数据进行筛选。
- Experiments on engine show that, with the increasing of sample size, error classifying decreases continuously and finally, it fluctuates smoothly in some ranges. 结果表明，随着学习样本量的增加，该分类器的误判率越来越小，最终在一定范围内呈现平稳波动变化。
- The results showed that many factors influenced the American drop weight impact test,such as temperature,sample size and the moulding process of samples. 结果表明,美式落锤冲击试验受很多因素(如温度、试样尺寸和试样的成型工艺)影响。
- He dipped into the bag and brought out a handful of sample wheat. 他把手伸进袋里，取出一把小麦样品。
- Comparison variations of trials sample size. 比较取样数量多寡之变化。
- On the other hand, indirect method, as a statistical method, has overcritical requirement for sampling size, but not for the selecting of samples. 间接法作为一种统计方法，对样本点的选取条件相对宽松，但对样本数量有一定的要求。
- proportional allocation of sample size 样本量的比例分配
- estimation of sample size with proportions 比例抽样样本容量估计
- optimal allocation of sample size [经] 样本量的最优分配
- Specifies a set of sample headers for this browser. 指定此浏览器的一组示例标头。
- Is a text file with a few lines of sample data. 是包含几行示例数据的文本文件。
- Enclosed please find a set of sample sheets. 请查收。
- I shall be glad to receive a fresh supply of sample as promise when the traveler reaches the town. 当推销员到达时，如能按照约定的新样品，得到供货，则不胜感谢。
- The sample size would have to be quadrupled. 样本量必须增大三倍。
- Design of sample size and proportion in the simmons model 西蒙斯模型中设计参数的确定
- A set of samples is enclosed herewith. 附信附上一套样品。
