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t-test
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主要用于样本含量较小且总体方差未知的正态分布资料,根据分布理论来比较两个平均数的差异显著性。又称学生氏检验。
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submaximal space
submaximum
submeasure
submedian function
submentum
submerged arc furnace
submerged arc welding
submerged breakwater
submerged bucket energy dissipator
submerged buoy system
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submerged cultivation
submerged culture
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submerged floating tunnel
submerged inlet
submerged jet
submerged macrophyte restoration
submerged nozzle
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