There are two basic ways to test. The first is to install testing tools on a laptop and conduct point or data path tests, including.
有两种基本测试方法。第一种是在膝上电脑上安装测试工具进行点或数据路径测试，包括。
With the brief description of the basic principle of air-coupled non-contact ultrasonic testing, the factors affecting the whole signal path losses of air-coupled ultrasonic testing are deduced.
介绍了空气耦合非接触式超声检测技术基本原理，推导了该技术中信号传输衰减理论构成因式。
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