“double random sampling”的概念、定义、翻译、参考文献-科学参考

单词	double random sampling
释义	double random sampling Encyclopedia 农学双重随机抽样法释 double random sampling双重随机抽样法若调查重要性状y不易观察测定，甚至要破坏后才能测定，而试验又不容许将材料过多破坏，则可利用与调查重要性状密切相关便于测定的辅助性状x进行间接的抽样调查，按确定的相关关系从x的调查结果推算y的结果的方法。又称相关抽样法、复式抽样法、两相抽样法、双重抽样。
随便看	open region open relation Open Researcher and Contributor Identifier open residential unit mode open resonator open rhinolalia open Riemann surface open segment open selection of cadres open semicircle open sentential formula open sequential scheme open set open set basis open set condition open-set condition open-shelf book selling open-shelf reserve system open shell open shop scheduling problem open shortest path first open shortest path first, OSPF open simplex open skies open solar telescope

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