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1)  sampling ratio
抽样比
2)  proportional sampling
比例抽样
3)  sampling ratio
抽样比率
4)  percentage sampling
百分比抽样
1.
Unscientificity of percentage sampling and fixed sampling;
百分比抽样和固定数抽样的不科学性
2.
This paper takes the sampling method used in rebound method as an example to analyze the percentage sampling based on the maximum absolute error and the maximum relative error theory and concludes that this method is not reasonable.
混凝土构件检测时,一般采用百分比抽样的方式。
3.
This paper introduced in detail the characteristics of OC curve evaluation sample program as well as its law of change, analyzed the disadvantage of percentage sampling and double percentage used in the current code by utilizing the OC curve, suggested to use more reasonable sample program in the test of existing hours building structure.
本文详细介绍了OC曲线评价抽样方案的特点及其变化规律,运用OC曲线分析了现行规范所采用的百分比和双百分比抽样方案的缺点,建议在既有房屋结构检测中采用更为合理的抽样方案。
5)  optimum sampling fraction
最优抽样比
6)  proportionate sampling
比例抽样法
补充资料:最优抽样比
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性质:抽样误差最小而抽样经费开支最省的抽取比。抽样误差随抽样数的增加而减小,而经费开支随抽样数增加而增加,两者是相互制约的。在实施抽样时,通常很难同时满足这两个条件,合理的做法是,在给定的经费条件下使抽样误差最小,或者,在给定抽样误差的条件下使抽样费用最省。

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