Has a certain toughness, can cover small cracks and resist the slight vibration.

具有一定的韧性，可以覆盖细小的裂缝及抵御轻微震动。

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At a certain fracture toughness value, fracture probability of weldments increases with increase of the local brittle zone size.

在一定的断裂韧度前提下，随着局部脆性区尺寸的增加，焊接热影响区的脆断概率增加。

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1 at the same time the material used to have a certain degree of plasticity and toughness.

同时所用材料要有一定的塑性和韧性。

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Living with limb loss requires a certain toughness.

CNN: Strutting their stuff for limb loss awareness

This breeds a certain degree of physical toughness for certain, but the mega-ramp was a whole other level of gnar.

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