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альтернативная гипотеза stresses
busin.	二者择一的假设; 选择性假设
ed.	供选择的假说
math.	备役假设; 非虚无假设; 备择假设; 择一假设; 备择假说; 对立假说

альтернативная гипотеза: 2 phrases in 1 subject

Mathematics

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