double-tuned detector

例句：

1. 1. The double-tuned detector can detect the frequency of a signal with high accuracy.
   这种双调探测器能够以高精度检测信号的频率。
2. 2. The double-tuned detector is widely used in radar systems for its excellent performance.
   双调探测器在雷达系统中被广泛使用，因为它的性能非常出色。
3. 3. The double-tuned detector has been proven to be an effective tool for monitoring environmental pollution.
   双调探测器已被证明是一种有效的监测环境污染的工具。