宇宙飞船已在进行倒计时。

The spaceship is already being counted down.

youdao

如果没有起点计时，能发生现在会发生的所有事并且宇宙会结束。

If there was no beginning to time, all things that could happen would have happened by now and the universe would have ended.

youdao

同时，由于电脑的内置时钟不够精确，计时器亦会记录来自全球定位系统的报时讯号，以便准确计算宇宙射线的接收时间。

As the computer clock is not accurate enough, the timer card also records time beats from Global Positioning System (GPS). This makes accurate timing of cosmic ray arrival feasible.

youdao