英语短语词组词汇mathematical expectation的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	mathematical expectation
释义	mathematical expectation 【统计学】数学期望值[亦作 expected value, expectation]
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老街网英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。