希望大多数人都知道电场是向量场，电场描述了，对场中的带电小颗粒的力的作用。

Hopefully most of you know that the electric field is a vector field that basically tells you what kind of force will be exerted on a charged particle that you put in it.

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经过分凝作用之后，岩浆的成分发生了变化，岩浆中依然存在小颗粒的耐熔残晶。

The segregation caused the component variation of the magma and the small crystals still existed in the magma.

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这说明随启喷压力的增大，大颗粒液滴有所减少，小颗粒的液滴增多，雾化质量有明显地改善。

It is indicated that with the decrease of the injection pressure, the number of larger drops decreased, and the number of smaller drops increased, spray quality was improved evidently.

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These very small particles are able to specifically recognize certain kinds of cells.

这些微小的小颗粒,可以识别特定种类的细胞

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