【判断题】降压斩波电路又称 Boost 斩波电路,该电路的特点是输出电压比输入电压低,而输出电流则高于输入电流。
【单选题】I know you are a busy man. I don't want to too much of your time.
【单选题】Buck斩波电路的特点是输出电压比输入电压()
【简答题】听句子,选择正确答语。每个句子读一遍。 ( )1. A. Dress. ( )2. A. Sorry, I don't know. ( )3. A. Thank you. ( )4. A. Leather shoes. ( )5. A. I agree with you. B. Coat. B. That's cool! B. That's all righ...
【简答题】听句子,选答语。 ( )1.A. Sorry, I don't know. ( )2.A. Yes, I like coffee very much. ( )3.A. It's thick and cold. ( )4.A. Yes, I could. ( )5.A. Don't say that. B. Congratulations. B. No, th...
【单选题】孙子 曰:兵者,国之大事,死生之地,( ),不可不察也。
【判断题】Cuk斩波电路的特点是输入电源电流和输出负载电流都是连续的,且脉动很小,有利于对输入,输出进行滤波。
【单选题】--- Can you tell me how to get to the airport? --- ____________________. A. Certainly , you can take No 3 bus. B. No, I don't know how.
A.
Certainly , you can take No 3 bus.