BS degree - Electrical, Mechanical, Materials, or Physics.

本科学历，电子，机械，材料或物理相关专业。

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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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