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combined ratio estimator
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combined ratio estimator
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combined ratio estimator
联合比估计
分层随机样本下,分别计算出目标变量与辅助变量的总体特征的分层估计量,然后用对应的分层估计量来构造比率估计所得的估计量。
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Music and Dance of Birds Singing Longevity to Emperor
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music and dance of six dynasties
music and dance on the Tongque Terrace
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music appreciation
musica reservata
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music broadcasting
Music Bureau Rambling Story
Music Copyright Society of China(MCSC)
music cycle of southern and northern tunes
music, dance and opera figurines of Sui Dynasty in Bozhou City
music, dance and variety drama stone engravings in the Southern Song tomb in Guangyuan City
Music Department of Lu Xun Arts College
Music Department of PLA Academy of Art
music drama
music editor of film & TV
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music education
music education in modern China
Music from Zhuwu Nunnery
music historiography
musician of film and TV music
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