A time keeping system consists of atomic clock assembly, measuring and comparing system and computation of atomic time scale, etc.
守时系统是一种需要连续、可靠运转的复杂系统,包括守时钟组、比对测量系统、原子时归算等多个环节。
At that time, keeping the system going required increasing support from abroad, primarily from Europe.
那时,保持系统运转需要来自国外,主要是欧洲的支持。
If it doesn't work, if you spend a lot time to keeping your system in order or slipping while trying to get things done then it might be time for a change.
如果不奏效,如果在完成工作的时候,你花了大量的时间维系或是进行你的这套系统,这时候也许是时候做改变了。
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