求翻译：运放如图有两个输入端a（反相输入端），b(同相输入端)和一个输出端o。也分别被称为倒向输入端非倒向输入端和输出端。当电压U-加在a端和公共端(公共端是电压为零的点，它相当于电路中的参考结点。)之间，且其实际方向从a 端高于公共端时，输出电压U实际方向则自公共端指向o端，即两者的方向正好相反。是什么意思？

Op amp has two inputs in Figure a (inverting input), b (noninverting input) and an output o. Were also known as non-backward backward input input and output. When the voltage increases in a U-side and public side (public side is the voltage zero point, which is equivalent to the circuit reference no

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Transports puts like the chart to have two input end a (opposition input end), b (synchronism input end) and out-port o.Also is called separately the reverse input end non-reverse input end and the out-port.When voltage U- adds in a end and the public end (the public end is the voltage for the zero

There are two input operational amplifier in figure a (reversed phase input), b (with input terminal) and one output o. Also called down to the non-inverted input to input and output. When voltage U-increase in the a-end and public side (public port is a voltage of zero points, this corresponds to t

There are two input operational amplifier in figure a (reversed phase input), b (with input terminal) and one output o. Also called down to the non-inverted input to input and output. When voltage U-increase in the a-end and public side (public port is a voltage of zero points, this corresponds to t