echo power

例句：

1. 1. The sound of the waves hitting the shore is a powerful echo of the ocean's depths.
   海浪拍打岸边的声音是大海深处的有力回响。
2. 2.The echo power of the microphone is crucial for recording clear audio.
   麦克风的回声功率对于录音清晰度至关重要。
3. 3. The engineer adjusted the echo power to enhance the clarity of the sound.
   工程师调整了回声功率，以增强声音的清晰度。