The porosity for cubical packing (the least compact arrangement) is 47.6 per cent, and that for rhombohedral (the most compact arrangement) is 25.96 per cent.
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- 立方形堆积(最不松散的堆积)的孔隙度为47.6%25,菱形堆积(最紧密堆积)的孔隙度为25.;96%25。