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- Effect of heat treatment on age hardness characteristic of SiCw/Al-Li composite were systematicallyinvestigated. 本文系统地探讨了热处理工艺对SiCw/Al-Li复合材料的时效强化特性的影响。
- Al-Zn-Mg Alloys played an important role in the avigation and spaceflight due to their low density,high strength and preferable age hardness. Al-Zn-Mg合金由于其低密度、高强度及较好的时效硬化效应，在航空航天工业中有着重要的应用。
- Short mullite fiber not only increases the aged hardness of Al 4.5Cu alloy, but also accelerates the age precipitation process. 莫来石纤维除了能明显提高Al 4 .;5Cu合金的时效硬度外;还能加速其时效析出过程 ;
- Old age disabled him for hard labour. 年迈使他不能干繁重的工作。
- The results show that with the increase of deformation,the period of reaching the aging hardness peak is shortened for this material,and also the period of reaching overaging is shortened. 结果表明,随着变形量的增加,材料达到时效硬化峰值的时间不断缩短,出现过时效的时间也不断缩短;形变强化在时效过程中没有明显的衰减,而固溶后的冷变形会使材料时效强化效果减弱。
- The analyses of the aging hardness curve of the composites showed that the additions of Al-silicate short fibber accelerated aging and there were double hardness peaks on the hardness curve. 对复合材料的时效动力学分析表明：硅酸铝短纤维的加入，使基体时效析出的硬度峰提前；时效动力学曲线上出现双硬度峰现象；
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- Age and wedlock we all desire and repent of. 成年与婚姻，均为我辈所欲，亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- He has always assorted with men of his age. 他总是与和他年令相仿的人交往。
- He's of an age when he ought to settle down. 他已经到了应该安顿下来的年龄了。
- Age stole onward and benumbed me more and more. 年纪渐老使得我(反应)越来越迟钝。
- The child is at an impressionable age. 这孩子正处于易受影响的年龄。
