幼虫的最佳抽样方法为棋盘式。
抽样方法比较适合于对大型数据库的挖掘。
Sampling method is suitable for the mining to large data base.
概述两阶段自适应群团抽样方法的技术思路和原理。
The procedure and principle of two-stage ACS are presented in this paper.
方法：采用随机抽样法。
说明了本调查研究的抽样方案以及资料收集和分析方法。
Illustrates the sampling of this research program, as well as data collection and analysis methods.
方法：对项目点北碚区进行抽样调查。
The application of sample survey method in history research is analyzed.
抽样检查是否真的是最好的方法？
本课题采取抽样调查和焦点小组访谈相结合的方法进行实证研究。
The study took a sample survey and focus group interviews combination of empirical research.
本课题采取抽样调查和焦点小组访谈相结合的方法进行实证研究。
The study took a sample survey and focus group interviews combination of empirical research.
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