Shockproof packaging can be compared with the cutting, forming; due to greater difference in density can also have a wider range of uses.

相对于防震包装可以切割、成型；因密度差异较大，还可以有更为广泛的用途。

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The relations between process and product characteristic of straw packaging material and the influence of density of straw packaging material on its performance were studied.

研究了麦秸防护内衬包装材料的工艺和产品特性之间的关系，以及密度对这种材料性能的影响。

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With the increase of chip integration level and packaging density, the heat density generated in computer keeps increasing exponentially in recent years.

随着芯片集成度及整机安装紧凑性的提高，计算机发热密度近年来一直呈指数级增长。

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