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。

youdao

Achievement is about having the sustained energy and determination in the face of obstacles to set and meet challenging targets, in compliance with quality, time standards.

有持续的精力和毅力，在面临困难的情况下，制订高目标，并保质保量、准时完成工作。

youdao

Achievement is about having the sustained energy and determination in the face of obstacles to set and meet challenging targets, in compliance with quality, time standards.

有持续的精力和毅力，在面临困难的情况下，制订高目标，并保质保量、准时完成工作。

youdao