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1·Due to a dense packing of particles within the capsule the particles of different types virtually did not mix with each other.

由于胶囊内部颗粒的密堆积，不同的颗粒不会与其它颗粒混合。

2·Specially, a vertical cavity surface-emitting semiconductor laser is attractive, because of free arrangement and dense packing.

垂直腔表面发射激光器，因其可自由排列和密集封装而特别引人注目。

3·By using particle dense packing theory, the influence of particle size distribution of cementitious material on microstructure and strength of cement gel were discussed in this paper.

根据颗粒紧密堆积理论，探讨胶凝材料的颗粒级配对水泥凝胶体微观结构及强度的影响。

4·Los Angeles Times blogger Susan Carpenter writes that the key to packing in so much power as being a combination of small motor controller and energy-dense lithium-ion battery cells.

《洛杉矶时报》博主susan Carpenter写道，将如此大的马力塞入这么小的引擎的关键在于组合型小型电动机控制器和高能量密度的锂离子电池。