Results showed that the soil structure and porosity were markedly improved and the rupture modulus of soil core were decreased by application of organic materials in clayey soil.
测定表明，有机物料能明显改善土壤的结构性和孔隙性，降低原状土核的破裂系数。
Because of the rupture and plastic deformation, the altitude of the tiny peak had been decreased, so the surface roughness of the target back side improved.
由于表面微尖峰的断裂和塑性变形使尖峰高度降低，因而表面质量得到提高。
Because of the rupture and plastic deformation, the altitude of the tiny peak had been decreased, so the surface roughness of the target back side improved.
由于表面微尖峰的断裂和塑性变形使尖峰高度降低，因而表面质量得到提高。
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