laser tdtrasonic signal的用法和樣例：
例句
- This system can divulge the weak supersonic signal to each kind of pressure vessel hole which produces to carry on the precise examination.
該系統能對各種壓力容器的孔隙泄漏所產生的微弱超聲信號進行精確檢測。 - Meantime, the convolution arithmetic was used to decode the received ultrasound signal in order to ensure that the axial image resolution was not decreased.
同時，採用相關演算法對接收的超聲信號解碼，保證圖像的軸向精度不會下降。
