Drive system design of on-line detection device is the key technology to realize gas pipeline in-line detection, and the important factor to ensure the authenticity of the test result of gas pipeline.

在线内检测器的驱动系统设计是实现输气管道在线内检测的关键技术，是保证输气管道检测结果真实性的重要因素。

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Both methods can be applied to a broad selection of objects, making them ideal candidates for anti-counterfeit detection for everything from diamonds to passports -- all that's needed to verify authenticity is an optical microscope.

ENGADGET: IBM brings the fight to counterfeiters with nano-sized authentication methods (video)