The spinning balance wheel that paces a mechanical watch typically rocks back and forth at about five beats a second 而控制机械?快慢的旋转平衡摆轮每秒通常只能来回五次左右。
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The dynamic poising of the watch - balance enhances the performance of each movement . the chronometer - maker ’ s expert hand plays an essential role in this process 腕表平衡摆轮的动态性能决定了机芯的性能。生产精密时计的专家们的手工调试在这一工序中起着关键性的作用。
