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32,768Hz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。
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。
It's pretty well known that "negative resistance" can be used to generate oscillations in electronic circuits.
众所周知，“负阻特性”可以被应用在产生震荡的电路中。
It's pretty well known that "negative resistance" can be used to generate oscillations in electronic circuits.
众所周知，“负阻特性”可以被应用在产生震荡的电路中。
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