例句與造句

1. Verification regulation of frequency comparator
   頻標(biāo)比對器檢定規(guī)程
2. Verification regulation of tv colour subcarrier frequency comparator
   彩色電視副載頻校頻儀檢定規(guī)程
3. It's difficult to find frequency comparator in a sentence. 用frequency comparator造句挺難的