Test specimens shall be taken after all non-destructive testing (NDT) has been carried out and which has passed the relevant inspection criteria for the NDT method(s) used.
试样的截取应在所有非破坏性试验（NDT）已经完成并已经通过所用NDT方法的相关检查依据后进行。
The popular non destructive test methods for the foam-cored sandwich structure are reviewed; including air coupled ultrasonic method, pulse-echo ultrasonic method and shearogragh method.
回顾了泡沫夹层结构常用的无损检测方法：空气耦合超声方法、脉冲回波超声方法以及激光错位散斑干涉方法。
The test method employed is non-destructive, so that only one model is needed for investigating stresses in a rotating disc at various speeds, and for determining the static shrink fit stresses.
由于这是一种非破坏试验方法，所以仅一个模型就可以对几种不同转速以及静过盈状态下的应力进行测定。
This method is feasible with high accuracy in measurement, establishing the theoretical basis for quick and non-destructive test of cocoon quality.
该方法测量精度高，切实可行，为快速无损检测蚕茧质量奠定了理论基础。
This test shows that it is a simple and non-destructive method to determine surface brittle cracking sensitivity by Vicker′s hardness method.
说明了维氏硬度压痕法是一种测定表面开裂敏感性简便易行的方法。
This method is feasible with high accuracy in measurement, establishing the theoretical basis for quick and non-destructive test of cocoon qua…
该方法测量精度高，切实可行，为快速无损检测蚕茧质量奠定了理论基础。
This method is feasible with high accuracy in measurement, establishing the theoretical basis for quick and non-destructive test of cocoon qua…
该方法测量精度高，切实可行，为快速无损检测蚕茧质量奠定了理论基础。
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