narrow-gate multivibrator

例句：

1. 1. This narrow-gate multivibrator is used to detect thepresence of a specific frequency in a signal.
   这个窄门多谐振器用于检测信号中特定频率的存在。
2. 2. The narrow-gate multivibrator was designed toimprove the accuracy of the measurement device.
   窄门多谐振器被设计用来提高测量设备的准确度。
3. 3. The narrow-gate multivibrator has been proven to bean effective tool for analyzing complex signals.
   窄门多谐振器已被证明是分析复杂信号的有效工具。