年龄结构的英文怎么说
年龄结构的英文: n. 年龄;时代,时期;年龄段 v. 长大,变老 This is a bulletin on aging. They are close in age. It will be a production that will be handed on from age to age. Attach importance to the problem of population aging (an aging population ) One has reached the age of no doubting—forty years of age n. 结构;构造;建筑物 v. 构造;组织 Involved or intricate, as in structure; complicated. equiaxed grain structure The bridge is a frail wooden structure. The backbone is an articulate structure. The structure will prove weak in service. |