This study also involves frequency range of the primary sound to be con-trolled, arrangement of the error sensor and' sound-controlled regions', etc.

实验还研究了消声频带，误差传感器布放位置及消声区域等问题。

youdao

This study also involves frequency range of the primary sound to be con-trolled, arrangement of the error sensor and' sound-controlled regions', etc.

实验还研究了消声频带，误差传感器布放位置及消声区域等问题。

youdao