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单词
Quota Sampling
释义
Quota Sampling
Encyclopedia
理学
【核心概念】
释
Quota Sampling
配额抽样
调查人员将调查总体按一定标志分类或分层,确定各类(层)单位的样本数额,在配额内任意抽选样本单元的抽样方法。又称定额抽样。
随便看
Witt's theorem
Witt theorem
Witt vector
Witt vector ring
Witwatersrand
Witwatersrand auri-uraniferous conglomerate deposit
WIYN Observatory
WIYN Telescope
WIYN天文台
WIYN望远镜
W. J. de Haas
W. J. de Haas, 1878—1960
W.J.van Blommestein Lake
W. J. Youden
W. J. Youden (1900—1971)
W. Kaufmann
W. Kaufmann, 1871—1947
W.K.B approximation
WKB approximation
WKB approximation, Wentzel-Kramers-Brillouin approximation
WKBJ approximation
WKB[J] approximation
WKBJ approximation, Wentzel-Kramers-Brillouin-Jeffreys approximation
WKB[J] approximation, Wentzel-Kramers-Brillouin[-Jeffreys] approximation
WKBJ method
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