... Experimental Designs 实验纲要 Sample Survey Methods 抽样调查法 Theory and Application of Mathematical Statistics 数学统计理论及应用 ...
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Methods: 2060 cases of primary hepatic cancer were clinically researched by a large sample number clinical epidemiological survey program.
方法：采用大样本临床流行病学调研方案，临床调查原发性肝癌2060例。
Marine geological sampling and sample analysis methods of the geological Survey of Canada are introduced in the paper.
本文介绍了加拿大地质调查局海洋地质取样和样品分析方法。
The methods of this thesis are literature and survey. The author selected two Suzhou Vocational Colleges as a sample through convenience sampling questionnaire.
论文运用文献法和调查法，选取苏州市的两所高职院校为样本，通过方便抽样发放问卷。
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