1·Against a backdrop of drastic changes in economy and population structure, younger Americans are drawing a new 21st-century road map to success, a latest poll has found.
一项最新民调发现，在经济和人口结构发生巨变的背景下，美国的年轻一代正在绘制一幅21世纪通向成功的地图。
2·Further, WMV-2 also changed the population structure of aphids.
病毒WMV - 2对棉蚜种群结构也有影响。
3·The population structure of the wintering cranes is reasonable.
越冬黑颈鹤的种群结构合理。
4·This reflects a change in consumer preferences and population structure.
这反映出了消费者偏好的变化，也反映出了人口结构的变化。
5·Obviously, the rural population structure is a Compound system in general.
可见，农村人口结构是一个广义上的复合系统。
6·Objective To study the population structure of small mammals in Eryuan Dali.
目的调查大理州洱源县小兽类哺乳动物种群结构。
7·Objective: To study the population structure of the small mammals in Dali, Yunnan.
目的：研究云南省大理市小兽类种群结构。
8·Based on the current population structure, that trend will not change in the short term.
基于目前的人口结构情况，这一趋势在短时间内不会改变。
9·Better understanding of the population structure of the fishery is therefore of Paramount importance.
对渔业种群结构的更深入了解因此具有至高无上的重要性。
10·Objective Toanalyze the trend of population quantity and the type of population structure in Shanxi.
目的分析山西省人口数量、结构类型变化趋势。