A pendulum dramatically improved a clock's ability to keep time and became the standard for precise clocks.
钟摆的发明大大改进了钟表的计时能力，逐渐地，摆钟成为了标准计时工具的首选。
And inversely the purpose of history is to keep time together so that all are brothers and companions in the same quest and conquest of time.
因此，反过来说，历史的目的就是把时间收集到一处，从而所有的人都在时间的同一的探求和征服中成为兄弟和伙伴。
Freeman knows this and is working out a system to keep time-strapped customers in a line separate from coffee drinkers who can wait for that pot of siphon coffee or the hand-pour.
弗里曼明白这一点，他正在设计一套系统，使时间紧张的顾客可以单独排队，与愿意等待虹吸咖啡或手冲咖啡的顾客分开。
Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.
铯原子的均匀振动记录时间，故而十分准确。
Atomic clocks rely on regular oscillations of caesium atoms to keep time and are extremely accurate.
铯原子的均匀振动记录时间，故而十分准确。
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