Active vibration control using piezoelectric materials is a focus in the engineering research field.

利用压电材料进行振动主动控制已成为工程领域中的研究热点。

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The paper does an in-depth research on the numerical model of pyrolysis process of the materials with volatile residual layer by using pre-evaluation iteration method.

采用偏微分数值模型，使用热解界面预估循环迭代的方法，对存在可变残留层材料的热解过程进行了详细研究。

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This essay introduced the research progress of using soybean protein to obtain biodegradable materials in the world.

论述了国内外对大豆蛋白制取可生物降解材料的研究进展情况。

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Smaller crews of more highly trained workers who can switch jobs with ease, as the research engineers upstream of them dream up new ways to manufacture products using fewer raw materials and less labor.

FORBES: GE Keeps Manufacturing Jobs In US -- For Highly Skilled