这是一种表面电荷，带负电。

There's a surface charge, a negatively charged electricity.

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凋亡细胞的表面电荷量较正常细胞要少。

Surface charge of apoptotic cell is less than that of normal cell.

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所以，可变电荷表面并非恒电位表面。

So variable charge surface is not a constant potential surface.

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表面原子层电荷密度越大，表面能越低。

The higher the average surface electronic density is, the lower the surface energy is.

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表面原子层电荷密度越大，表面能越低。

The higher the average surface electronic density is, the lower the surface energy is.

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