I'm doing Mechanical Engineering which is really interesting but it covers quite a lot of areas like materials science, machine design, physics and of course mechanics.

我学的是机械工程，这很有趣，但它涵盖了很多领域，比如材料科学、机械设计、物理，当然还有机械学。

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The nanostructure of composites can also provide great mechanical strength in relatively light materials.

复合材料的纳米结构也能使较轻的材料具有很大机械强度。

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In the case of harnessing vibrations, Chandrakasan and his colleagues use piezoelectric materials, which produce an electric current when subjected to mechanical pressure.

至于在约束振动上，切卓卡山和他的同事们使用了压电体，在经受力的作用下，它可以产生电流。

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The trick is to replace graphite with tin for the anode, which is one of the two main components in a battery cell, said Grant Norton, who headed the research and is a professor of mechanical and materials engineering at the university.

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The company provides systems for testing and examining the mechanical behavior of materials, products and structures, as well as instrumentation for factory automation.

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The earth is full of inorganic raw materials to create mechanical devices and their energy source, historically fossil fuels, was in abundance.

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