不同偏置电压的输入缓冲晶体管。
一个经过基因改造的青蛙卵被放入电压钳系统，然后一种有气味的物质被溶入有青蛙卵的缓冲液中。
An engineered egg is placed in a voltage clamp system and an odorant is dissolved in the buffer solution in which the egg is floating.
共集-共基组合放大电路具有良好的宽带放大特性，既可以作为缓冲级又能够提供一定的电压和电流增益。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic qua the buffer and gives some gains in voltage and electric current.
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