laser tdtrasonic signal的用法和样例：
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.
该系统能对各种压力容器的孔隙泄漏所产生的微弱超声信号进行精确检测。 - Meantime, the convolution arithmetic was used to decode the received ultrasound signal in order to ensure that the axial image resolution was not decreased.
同时，采用相关算法对接收的超声信号解码，保证图像的轴向精度不会下降。
