polarizing unit造句

例句与造句

1. The two output capacitors have a DC voltage present, so polarized units may be used.
2. Only the best electret microphones rival good DC-polarized units in terms of noise level and quality; electret microphones lend themselves to inexpensive mass-production, while inherently expensive non-electret condenser microphones are made to higher quality.
3. It's difficult to find polarizing unit in a sentence. 用polarizing unit造句挺难的