易燃物
Electronic oscillator - Wikipedia, the free encyclopedia易燃物老師問:「什麼是易燃物?」學生說:「我爸爸。」老師問:「為什麼?」學生說:「每一次我拿成積單回去,他馬上就發火。」不准通婚妻子和丈夫吵了架以後,氣憤地說:『我就是找了一個魔鬼也比嫁給你強!』丈夫立即回答:『你嫁不了魔鬼!法律規定,近親不准結婚......。』不甜的客人:『老板,這橘子甜不甜啊?An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.[1][2] Oscillators convert direct current (DC) from a power supply to an alternating current signal. They are wid...
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