英语词汇“time-keeping”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	time-keeping
释义	time-keepingCOCA²⁰⁶⁸⁸⁰BNC⁵⁸⁵⁸⁹ 基本例句 n.计时；记时；🌏守时；维持时间；时间保持 A miniature hydrogen maser standard for time-keeping has been developed successfully at Shanghai Observatory. 本文报告了一种守时用小型氢原子钟的设计和研制。 cnki
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