The heterogeneous surfaces of some solid materials (graphite, charcoal. Faujsite. etc)are fractals.
某些固体物质的不规则表面是分形结构。
Inside and outside rounds of piston rings are heterogeneous surfaces, which require high precision in size.
活塞环的内外圆都是异形表面，且尺寸精度要求高。
The result suggested that stratospheric heterogeneous processes on aerosol surfaces is important for the relation between aerosols and trace gases in the aerosol-enriched layers.
结果表明：在气溶胶含量较高的气层内，气溶胶表面的非均相反应对气溶胶与微量气体的关系有重要影响。
The result suggested that stratospheric heterogeneous processes on aerosol surfaces is important for the relation between aerosols and trace gases in the aerosol-enriched layers.
结果表明：在气溶胶含量较高的气层内，气溶胶表面的非均相反应对气溶胶与微量气体的关系有重要影响。
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