对如上图之类照片的初步分析表明该彗星中间光滑的区域有许多孔状结构，正直接将冰块泄漏到宇宙中。

Preliminary analyses of images like that shown above indicate that the smooth regions around the middle are porous and leak frozen water vapor directly out into space.

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在持续时间内均匀发酵可以改善许多焙烤终产品的品质；面包屑状结构具有了更好的更均匀的多孔性结构，而面包表皮也具有了更大的弹性。

Uniform leavening over an extended time improves the quality of many baked end-products, the crumb structure acquires finer and more uniform porosity, while the crust has greater elasticity.

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颗粒是真正球形的，具有多孔状的结构和狭窄的粒径分布。

Orgasol? particles are virtually spherical, possessing a porous structure and a narrow particle size distribution.

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