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联合比估计
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联合比估计
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理学
数据收集模式
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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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low-mass binary
low-mass star
low-mass X-ray binary
low mature gas
low meadow
low-melting
low-metallicity
low-metallicity cluster
low-metallicity cluster of galaxies
low-metallicity cluster of stars
low-mid vowel
low-mode
low-mode, L-mode
low molecular weight chondroitin sulfate
low molecular weight compounds content
low molecular weight heparin,LMWH
low mountain landscape
lowness
low nitrogen oxide burner
low noise
low noise amplification technique
low noise amplifier
low-noise amplifier
low noise factory design
low noise machine design
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更新时间:2026/9/2 20:55:53