【简答题】叠加定理只能用于电路中 的计算,不能用来求电路元件的 。
【简答题】叠加定理只适用于计算_______________电路中的_____________和___________,不能用来计算电路中的_______________。
【判断题】自动售票机与半自动售票机的功能完全相同。()
【简答题】阅读短文,根据上下文填写所缺单词。(每空2分) Do you often communicate with your parents? Some parents are always comparing their 小题1: with themselves or other people when they were young. 'When I was your age,' a father s...