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。
A pendulum dramatically improved a clock's ability to keep time and became the standard for precise clocks.
标准计时器api作为Linux内核的一部分已经有很长一段时间了(自从Linux内核的早期版本开始)。
The standard timer API has been part of the Linux kernel for quite some time (since the early versions of the Linux kernel).
这些原子钟是全球计时的标准。
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