妓女為什麽不從良的原因?其中的奧祕讓我驚呆了....
Operational amplifier - Wikipedia, the free encyclopedia人家都說當妓女不好,妓女也知道自己當妓女確實不好。可是人家天天說,妓女的日子照樣過。妓女為什麽不從良?於是就有人在報紙上撰文發問,感覺很納悶。 其實,只要我們冷靜思考,細心研究,就不難發現其中的奧秘。今天,博弈聖就來給大家揭開這個秘密;也給納悶者解開納悶的心結! (圖片僅為示意圖。左、右) An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. [1] In this configuration, an op-amp produces an output potential (relative to circuit g...
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