名词
中文翻译：开关晶体管
同义词：
['switching device', 'switching element例句：1. The circuit designer needs to carefully select the appropriate switching transistor for the application.（电路设计师需要仔细选择适合应用的适当开关晶体管。）']
例句：
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1. The circuit designer needs to carefully select the appropriate switching transistor for the application.
电路设计师需要仔细选择适合应用的适当开关晶体管。
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2.The new model of the switcher has a higher switching frequency and lower power consumption.
新型开关器的切换频率更高，功耗更低。
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3. In this circuit design, the switching transistor is used to control the flow of current.
在这个电路设计中，开关晶体管用于控制电流的流动。