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鸽子
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873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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