1. The full Session focused on many key issues, ranging from disability to development in Africa, however global ageing was a particular area of focus. 充分的会议集中于很多关键问题，在非洲从生理残障到发展，全球老化是一个焦点的特别的领域。
2. The reinforced concrete widely applies in the water power engineering. This paper analyzes the cause of concrete ageing, and proposes some processing measure. 钢筋混凝土广泛应用于水利工程，文章对混凝土老化的原因进行分析，并提出处理措施。
3. The effect of environment factors on the ageing of polymer materials, the ways of artificial aging test and the ways of protection against ageing are introduced. 本文分析了各种环境因素对高分子材料的影响，介绍了常用的几种加速老化试验的方法及老化材料防护措施。
英英解释
n.
1. acquiring desirable qualities by being left undisturbed for some time
2. the organic process of growing older and showing the effects of increasing age adj.
1. growing old
