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问题
填空题
用晶体管图示仪观察二极管正向特性时,应将X轴作用开关置于集电极电压,Y轴作用开关置于______。
答案
参考答案:
集电极电流
选择题
-
there any food in the fridge?
-No, it's empty.
A. Are
B. Is
C. Was
D. Were
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名词解释
环境问题
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