在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。

The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.

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在微波双极型晶体管中，收集区的厚度是影响其截止频率的一个重要因素。

The thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.

youdao