metering circuit的用法和樣例：
例句
- Any of these signals can be used as a stimulus while spectrum measurements are made elsewhere in the circuit.
任何這些信號可以作為刺激而譜測量電路是在別處。 - This papergives a brief account of an ultrasonic densimeter including its measuringprinciple,measuring circuit,construction and application.
本文簡(jiǎn)要介紹了超聲波密度儀的測量原理，測量電路，儀表結構和應用。
