名词中文翻译
中文翻译：年龄硬度
同义词：
['aging hardness', 'age-hardening']
例句：
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1.The old man's bones are showing signs of age hardness.
这位老人的骨头显示出了年老的坚硬度。
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2. As the material aged, its hardness increased.
随着材料老化，其硬度增加。
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3. The aging process causes materials to become harder and more brittle.
老化过程使得材料变得更硬更脆。