“two-stage sampling”的概念、定义、翻译、参考文献-科学参考

单词	two-stage sampling
释义	two-stage sampling [`tü ¦stāj `sam·pliŋ] ^STATISTICS Sampling from a population whose members are themselves sets of objects and then sampling from the sets selected in the first sampling; for example, to first draw a sample of states and then to draw a sample of representatives to Congress from each state selected.
随便看	sort/merge package sort order sort pass sortworker sorus SOS sosoloid SOTAS Sothic cycle sou'easter souma sound sound absorption sound absorption coefficient sound analyzer sound and flash ranging sound attenuation sound band pressure level sound barrier sound buoy sound carrier sound channel sound detection sound effects sound energy

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