Scientists at Harvard and MIT have invented self-folding sheets of composite material that can flex themselves into toy boats, tents and even paper airplanes.

哈佛大学和麻省理工学院的科学家受折纸艺术启发，发明出一种复合材料薄片，能自动折出玩具船、帐篷甚至是纸飞机。

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The similar subdomain BEM presented in this paper can also be successfully applied to the numerical simulation of the composite materials with different interphase layer.

本文提出的边界元相似子域法也可以推广应用于夹杂相外缘附有界面层结构的复合材料的数值模拟。

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This machine applicable to a variety of packaging bags, multi-layer composite membrane made of prefabricated bags, paper bags can be applied.

本机可适用多种包装袋，多层复合膜制成的预制袋、纸袋均可应用。

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