The results show that multi-stage aging treatment can increase wear resistance, corrosion resistance and electrical properties of NBC alloy, but microhardness has not changing apparently.

结果表明，NBC合金经过分级时效处理后， 耐磨性、 耐腐蚀性和电导率有所提高，而显微硬度无明显变化；

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This is a degree that exposed very, very unusual for people at their aging stage.

这展现了年长阶段,人们不同寻常的一面。

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If you had a troubled relationship with an aging parent, expect to spend lots of time in the anger stage.

如果和一位衰老的父母关系上曾经有问题，那么要料到花很多时间处于愤怒阶段。

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This is a degree that exposed very, very unusual for people at their aging stage.

这展现了年长阶段,人们不同寻常的一面。

麻省理工公开课 - 媒体、教育、市场课程节选

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