The optimum sampling number, the sequential sampling application and the sampling method at different densities were determined based on the characteristics of the larva's distribution.
根据竹螟幼虫分布的特点，确定了不同密度下的最适抽样数、序贯抽样的应用和调查取样方法。
By introducing the idea of sequential sampling, a method for testing correlation coefficients of meteorological variables is presented.
本文引进序贯抽样的思想，提出气象变量相关系数的一种序贯检验方法。
By introducing the idea of sequential sampling, a method for testing correlation coefficients of meteorological variables is presented.
本文引进序贯抽样的思想，提出气象变量相关系数的一种序贯检验方法。
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