搅拌区细晶组织的显微硬度及抗拉强度相比于铸态母材有所提高，而伸长率显著提高。
The microhardness and tensile strength of stir zone increase compared with the base material, and the elongation increases significantly due to its fine and uniform microstructure of the specimen.
获得良好的综合力学性能，伸长率和冲击韧性都比热轧态提高很多；
The excellent mechanical properties can be obtained. The elongation and impact toughness of the plate are higher than those in hot rolling.
干态与湿态下头发断裂强度、断裂伸长率之间的差异具有统计学意义。
There was a significant difference of breaking strength and strain of break of hair fibers between dry and wet state.
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