英语词汇population mean的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	population mean
释义	population mean 英?[?p?pju?lei??n mi:n] 美?[?pɑpj??le??n min] 释义总平均，全平均实用场景例句全部 What does the increase of population mean to us? 人口增加对我们意味着什么? 互联网 In a simple random sampling, the sample mean is an unbiased estimate of the population mean. 在简单随机抽样中, 样本均值是总体均值的无偏估计. 互联网行业词典冶金学总体［平］均值??? 化学总体[平]均值???
随便看	ratchet and pawl ratchet-and-pawl ratchet and pawl drive ratchet-and-pawl drive ratchet-and-pawl mechanism ratchet-and-pawls ratchet and tongs ratchet arrangement ratchet bar ratchet bit brace ratchet (bit) brace ratchet blocking system ratchet box ratchet brace ratchet brace bit ratchet brake ratchet broach ratchet casing ratchet casing bushing ratchet catch ratchet chain ratchet clutch ratchet coupling ratchet cover plate ratchet cyclometer

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

population mean