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983天前/* Emits a 7-Hz tone for 10 seconds.
True story: 7 Hz is the resonant frequency of a chicken's skull cavity.
This was determined empirically in Australia, where a new factory
generating 7-Hz tones was located too close to a chicken ranch:
When the factory started up, all the chickens died.
Your PC may not be able to emit a 7-Hz tone.
*/
int main(void)
{
sound(7);
delay(10000);
nosound();
}
by: 发表于：2017-08-24 17:39:53 顶(0) | 踩(0) 回复
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