“face cover”概念、定义、翻译-科学时代

单词	face cover
释义	军事词汇手册 face cover 正面掩体；正面掩护
随便看	sampling rate sampling rate sampling rate sampling rate sampling rate sampling ratio sampling ratio sampling reliability sampling reliability sampling risk sampling scheme sampling speed sampling statistic sampling structure sampling survey sampling survey sampling survey sampling survey sampling survey method sampling system sampling system sampling system sampling technique sampling test sampling test

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。