英语词汇“proportion of old population”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	proportion of old population
释义	proportion of old population 基本例句 n.老龄人口比重 China's population continues to grow,the proportion of the aged is getting larger,and the pressure on employment and social security is mounting.人口总量继续增加，老龄人口比重上升，就业和社会保障压力增大。
随便看	digestive diagnostics digestive discomfort digestive disease Digestive diseases Digestive Disease Week digestive disorder Digestive disorders Digestive Disorders Foundation digestive disturbance digestive diverticula Digestive ducts digestive efficiency digestive enayme digestive endoscope digestive endoscopy digestive energy digestive enhancer digestive enxyme digestive enzym digestive enzyme digestive enzyme activities digestive enzyme activity Digestive enzyme preparation digestive enzymes Digestive Epilepsies