本文在分析知识资本特性的基础上，把知识资本划分为核心层、内部层和外部层三个层面。

Based on the analysis of its characteristics, in this essay, the capital knowledge is divided into three sections, the core, the inner and the outer.

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种子有一层外壳，包裹着新植物的遗传物质，外壳内部是集中的营养供应。

The seed has an outer coating that surrounds the genetic material of the new plant, and inside this covering is a concentrated supply of nutrients.

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一个可能性就是外部磁场的压力强行把日球层内部的粒子压到了一起，形成了窄带。

One possibility is that pressure from this external magnetic field has forced particles just inside the heliosphere to bunch together into a ribbon.

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The lipids will form a bi-layer where the water soluble part of the lipid points out of this layer and the oily part points in.

脂质会形成双层膜,水溶性部分朝向膜层外,而脂溶性的部分朝向双层膜内部

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On the side over here shows a cell membrane and so this is outside the cell above it, and this is inside the cell below, and this is the lipid bilayer that separates the outside of the cell from the inside of the cell.

这边这个表示细胞膜,它的上面代表细胞外部,下面代表细胞内部,这个是脂质双分子层,将细胞内外分开

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