... 土壤孔隙和结构 theporosityandstructureofsoil 结构孔隙度 structural porosity ; textural porosity 孔隙网络拓扑结构 topology of pore network ...
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structural l porosity 结构多孔性
However the synthetized composites have high porosity (20%-50%), which prohibits its use as structural material.
但是，该技术合成的复合材料一般含有较高的孔隙率(20% - 50%)，不能作为结构材料直接使用。
The design was developed through custom computational protocols of structural formfinding, descriptive geometry, and stress flowdriven porosity.
这项设计通过自定义的计算协议结构塑形，画法几何和应力穿孔技术被开发出来。
Therefore, helium porosity may be used as a structural parameter for low-porosity cementitious materials, but an incorrect conclusion may be drawn if mercury porosity is used.
因此，氦孔隙率可以作为低孔隙率胶凝材料的结构参数，而用压汞法可能会导致错误的结论。
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