Principle and testing method of laser generated ultrasonic and its applications are introduced.

介绍了激光超声的机理、光激超声波信号的检测方法及其应用。

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The structure , working principle and testing results of this system has been introduced in this paper.

本文介绍了该系统的组成、工作原理及测试结果。

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Its fundamental principle and testing method, and the drill specially designed are all introduced in detail.

文中对该方法的基本原理、基础试验以及新设计的电火花工业陶瓷钻头作了介绍。

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With it, MLB becomes the first to actually implement testing for hGH (the NFL and NFLPA have agreed in principle to hGH testing, but have been stymied in putting the testing in place).

FORBES: MLB Becomes the First League to Implement HGH Testing

At that stage Dr Pusztai's research simply looked like a proof of principle checking that the techniques for transplanting and testing lectin genes worked, prior to exploring other, less harmful lectins as built-in insecticides for crops.

ECONOMIST: Potato-heads