circumferential SH wave 周向SH波
circumferential guided wave 周向导波
circumferential acoustic wave 环形声波
circumferential traveling-wave 周向行波
pipe circumferential Lamb wave 管道周向Lamb波
pipe circumferential SH guided wave 管道周向SH导波
The theory expresses the sound fields by a superposition of various surface elastic waves-circumferential waves and reveal the vibro-acoustic coupling mechanism in viewpoint of wave.
此理论将声场表示成各种表面弹性波-环绕波的再辐射的叠加，从波动的角度揭示声-振耦合机理。
The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.
研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。
Thick wall pipes are the core component of so called "four pipe" system for thermal power. It is important to apply circumferential guided wave technique to nondestructive testing of thick wall pipes.
厚壁管道是火电机组四大管道系统的核心部件，将超声导波技术应用于厚壁管道的无损检测显得十分重要。
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