noun🔗Share时代，时期 A particular period of history, especially one considered noteworthy or remarkable."The invention of the printing press marked the beginning of new epochs in the spread of knowledge. "印刷术的发明标志着知识传播新时代的开端。historytimeperiodChat with AIVocabulary GamePractice Reading
noun🔗Share时代，纪元 A notable event which marks the beginning of such a period."The invention of the printing press marked one of the most important epochs in the history of human communication. "印刷术的发明标志着人类传播史上最重要的时代之一。historytimeeventperiodageChat with AIVocabulary GamePractice Reading
noun🔗Share纪元，时期，时代。 A precise instant of time that is used as a point of reference."The GPS satellite system uses several epochs, each marking the beginning of a new week in its timekeeping system, to ensure accurate location data. "为了确保定位数据的准确性，全球定位系统卫星使用了多个时间基点（纪元），每个时间基点都标志着其计时系统中新一周的开始。timehistorygeologyastronomyChat with AIVocabulary GamePractice Reading
noun🔗Share周期，迭代次数 Uses in computing."In analyzing server logs, timestamps are often represented in Unix time, counting the seconds since the beginning of different epochs, such as the standard Unix epoch of January 1, 1970. "在分析服务器日志时，时间戳通常以 Unix 时间表示，记录自不同周期开始的秒数，例如标准 Unix 周期始于 1970 年 1 月 1 日。computingtimetechnologyChat with AIVocabulary GamePractice Reading
noun🔗Share世，纪元，时期 A unit of geologic time subdividing a period into smaller parts."Geologists divide the Paleogene period into several epochs, like the Paleocene and the Eocene. "地质学家将古近纪划分为几个“世”，例如古新世和始新世。geologytimeChat with AIVocabulary GamePractice Reading
