These transistor circuits can amplify voltage signals with minimum waveform distortion. 下划线介词短语充当_______。
举一反三
- 中国大学MOOC: These transistor(晶体管) circuits can amplify(放大) voltage signals with minimum waveform distortion(波形失真). 下划线介词短语充当_______。
- The sound-carrying medium may be matter in any state. 下划线介词短语充当_______。
- The resistance of the load is too high for the amplifier. 前后两个下划线介词短语分别充当_______。
- A circuit may be defined as a path for current flow. 前后两个下划线介词短语分别充当_______。
- Alternating current as a source of power has certain advantages over direct current. 前后两个下划线介词短语分别充当_______。