Vibration measurement and analysis technology is important branch of mechanical dynamics, and it is the universal aspect of the application of the mechanical dynamicengineering.
It became a dynamic and up-to-date repository of the company's engineering knowledge.
它已经成为公司一个动态、即时的工程知识库。
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Philip Ball gives a passionate defence of the importance of engineering and Oliver Morton, a colleague at the Economist, paints the planet as a dynamic orb.