Fully developed, mature, post industrial societies, such as those in Europe, are characterised by stable or declining populations which are increasing in age.
完全发达成熟的后工业社会,如欧洲的社会,其特点是人口稳定或下降,而老龄化却在增加。
When fully developed, this system will enable him to build a biomechanical profile for coaches to use to help budding swimmers.
当这个系统被完全开发出来后,他就可以为教练们建立一个生物力学的档案,用来帮助崭露头角的游泳运动员。
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