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介绍超声波衍射时差法基本原理及其优点和局限,分析了使用该方法的检测范围,并明确了该方法与其它检测手段的互补关系。
The basic principle, advantages and limitations of ultrasonic diffraction time-difference method are introduced. The detection range of this method is analyzed and the complementary relationship between this method and other detection methods is clarified.