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1. The testing person uses the universal testing machine to make material mechanical testing.
   化验人员用万能材料试验机做材料机械性能试验。
2. The foregoing properties are evaluated by mechanical tests which damage the material, and they are therefore termed mechanical properties.
   上述的性质是用破坏材料的机械性能试验进行评定，因此，他们是被称为机械性能。