In practice, though, many people will be watching the television or an analogue clock, and will not notice the leap second at all.

实际上，到那时候大多数人都在看电视或盯着模拟时钟，那他们就不会注意到有闰秒了。

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Since 1999 until recently, the two time standards have been in close enough synch to escape any need to add a leap second, NIST said.

该协会说，从1999年开始到最近几年，原子时和天文时一直处于同步状态，所以不需要增加一个闰秒。

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But the leap second is a newcomer.

不过闰秒是个新事物。

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