They all use the same basic mechanism: a 32, 768hz quartz-crystal oscillator, along with the electronic and mechanical parts that convert its oscillations to clock ticks.

他们都采用同样的基本原理：一个32,768 Hz石英晶体摆动装置，同时还有电子和机械部件将振动转化成钟表的滴答声。

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But no electronic systems exist that can directly count these oscillations.

但是，目前没有哪个电子系统可以对如此高的振动频率计数。

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Now we finally come to electronic instruments. In these instruments sounds are produced by varying the oscillations of radio tubes with the exception of the Hammond organ.

现在该说说电子乐器了。除哈蒙德电风琴，这类乐器全是靠变换无线电真空管振荡而发声的。

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