“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 Encyclopedia 农学抽样调查释 two-stage sampling二阶抽样设总体由个初级单元组成，每个初级单元又由若干次级单元组成，在总体中按一定方法抽取若干初级单元，对每个被抽中的初级单元再抽取若干次级单元进行调查的方法。 Mathematics two-stage sampling二次抽样
随便看	Sichuan Opera Theater of Chengdu Sichuan Opera Troupe Sichuan Pacific Cinema Line Co., Ltd. Sichuan Party Periodical Group Sichuan Pendi Sichuan People’s Art Theatre Sichuan pepper Sichuan Pingshu storytelling Sichuan Provincial Academy of Arts Sichuan Provincial Archives Sichuan Provincial Library Sichuan Qingyin ballad-singing Sichuan Qingyin narrative singing music Sichuan Qu opera Sichuan Railways Protection Movement Sichuan Science and Technology Museum Sichuan-Shaanxi battles between Song and Jin forces Sichuan Sheng Sichuan snub-nosed monkeys Sichuan Song Dynasty Porcelains Museum (Suining Museum) Sichuan Southwest Vocational College of Civil Aviation Sichuan Tangjiahe National Nature Reserve Sichuan Tea Horse Road-Guanyin Pavilion post-disaster emergency repair project Sichuan Tianfu New Area planning Sichuan to East Gas Transmission Pipeline

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