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_______。
状语
举一反三
- These transistor circuits can amplify voltage signals with minimum waveform distortion. 下划线介词短语充当_______。
- 中国大学MOOC: The resistance of the load (负载)is too high for the amplifier(放大器). 前后两个下划线介词短语分别充当_______。
- The sound-carrying medium may be matter in any state. 下划线介词短语充当_______。
- 中国大学MOOC: Alternating current(交流电) as a source of power has certain advantages over direct current(直流电). 前后两个下划线介词短语分别充当_______。
- 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_______。
内容
- 0
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_______。
- 1
中国大学MOOC:负反馈会改善放大电路的波形失真。
- 2
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_______。
- 3
中国大学MOOC: 放大电路中引入负反馈可以消除波形失真
- 4
中国大学MOOC: 介词附着在——成分前面,一起组成介词短语。