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偶遇抽样
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偶遇抽样
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accidental sampling
偶遇抽样
研究者根据实际情况,为方便开展工作,选择偶然遇到的人作为调查对象,或者仅选择离得最近、最容易找到的人作为调查对象,又称便利抽样。
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non faradaic current
non-faradaic current
nonfaradaic current
nonfatal trauma
non-fatty acid in woody oil
non-feasible
non-feasible set
non-feasible solution
non-Fermi liquid
non-Fermi liquid behavior
non-Fermi-liquid behavior
nonferroelectric photore-fractive materials
non-ferromagnetic expansion alloy
non ferrous metal
non-ferrous metal
nonferrous metal
non-ferrous metal electrometallurgical machinery
nonferrous-metallic mineral resources
non-ferrous metal pyrogenic process smelting machinery
nonferrous metals
nonferrous metals industry
nonferrous metals industry in the world
non-ferrous metal slag
nonferrous smelting flue gas
non-Fick effect
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