SD of all groups was not obvious different in L4-S1 segments, TD of every groups above 15 years old was larger than that of two groups below(P<0.05);
各年龄组椎管矢径无明显差异；L4-S1节段15岁以上各组椎管横径大于以下两组（P<0.05）；
Unless otherwise specified, in this yearbook, economically active population, employment population and unemployment population are all above 15 years old.
除非特别注明，本书中的经济活动人口、就业人口和失业人口均为15岁及以上人口。
The Boeing 737-300 in question was only 15 years old when its skin peeled open along a riveted lap-joint while flying above 34, 000 feet (just over 10, 000 metres) with 118 passengers on board.
正在讨论的波音737- 300型飞机只用了15年。当其外壳沿敲平的上端搭接接头剥落开来时，飞机上的118位乘客正飞行在34000英尺(刚刚超过10,000米)的上空。
The Boeing 737-300 in question was only 15 years old when its skin peeled open along a riveted lap-joint while flying above 34,000 feet (just over 10,000 metres) with 118 passengers on board.
正在讨论的波音737-300型飞机只用了15年。当其外壳沿敲平的上端搭接接头剥落开来时，飞机上的118位乘客正飞行在34000英尺（刚刚超过10,000米）的上空。
When you turn 15 years old, you can go and see the life above the sea.
当你15岁的时候，你可以去看看大海以外的景象。
When you turn 15 years old, you can go and see the life above the sea.
当你把15岁，您可以去看看上面的生活的大海。
Methods: Life satisfaction index a (LSIA) and 15 investigations about society-Psychology-Biological factors of LSIA were performed in 135 doctors aged above 50 years old.
方法：对135例50岁以上的高龄医生进行生活满意度指数A (LSIA)有关的15项社会-心理-生物因素调查。结果：该人群的LSIA平均得分为14。
Methods: Life satisfaction index a (LSIA) and 15 investigations about society-Psychology-Biological factors of LSIA were performed in 135 doctors aged above 50 years old.
方法：对135例50岁以上的高龄医生进行生活满意度指数A (LSIA)有关的15项社会-心理-生物因素调查。结果：该人群的LSIA平均得分为14。
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