“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 二层抽样二级抽样二重抽样两级抽样
随便看	vomerovaginal canal vomerovaginal groove vomica pl vomicae vomicine vomit vomiting vomiting associated with menstruation vomiting caused by anuresis and constipation vomiting center vomiting due to retention of food vomiting following gastrointestinal operation vomiting in infancy caused by fright vomiting nut vomiting of pregnancy vomiting reflex vomiting sickness vomitive vomitory vomitus vomitus gravidarum vomitus marinus vomitus matutinus vomitus niger vommon variable Von Ardenne ion source

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