Its subject coverage includes: use of ultrasonic, acoustic, eddy current, interferometry, and other nondestructive techniques for quality control, flaw detection, and wear analysis, etc.

• 它的主题涉及的范围包括：用于质量管理、探伤、与磨损分析等的超音波、声学、涡流、干涉量度学及其他非破坏性技术的使用；