日晷的主要部件是由一根晷针和刻有刻线的晷面组成，随着太阳在天空运行，晷针的投影像钟表指针一样在晷面上移动，就可以指示时辰。
The main parts of a sundial are an erect stylus and a calibrated disk. As the sun moves in the sky, the shadow of the stylus moves like a clock hand around the disk indicating the hours.
对钟表犹如外科手术般的拆卸过程取决于你接下来的项目只是需要电子脉冲发生器，或者是一只带着指针仍然能为你报时的闹钟。
Your surgical procedure will depend on whether your project just needs the electronic pulse generator. or a clock with working hands that continues to tell time. If you just need the clock's ticker.
你几乎可以听到钟表滴答滴答的指针。
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