time keeping 守时 ; 记时 ; 工时记录 ; 时间记录
poor time keeping 时间管理能力差
time keeping system 时间记录系统 ; 守时系统
International Association for Time-Keeping 国际计时协会
Keeping Time 守时 ; 需用时间
manual time-keeping 秒表计时 ; 人工计时
Time keeping Accuracy 平均日差 ; 守时精度
time-keeping clock 单片机守时钟
N-UNCOUNT Timekeeping is the process or activity of timing an event or series of events. 计时工作
Who did the timekeeping?
谁做了计时工作？
And in some countries, where time-keeping isn't seen as very significant, your lateness wouldn't matter at all.
而且在一些时间观念不是很强的国家，迟到根本就算不了什么。
They also are making it possible to build optical atomic clocks, expected to be as much as 100 times more accurate than today's best time-keeping systems.
它们还使光学原子钟的建立成为了可能，预计比当今最好的计时系统还要精确100倍。
According to the British of that day, the world began its time-keeping from London — and it still does.
根据当时英国人的说法，全世界从伦敦开始计算时间——至今仍然如此。
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