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From 2001 to 2012,many local governments in China closed down village teaching sites for primary school students in the ......
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城市轨道交通车站规模的第一决定要素是站台宽度.当前对车站站台宽度的计算公式尚未统一,或还不完善,这将直接影响到我国轨道交通......
Patients who present to an emergency department are in a vulnerable state of mind. The population in the emergency depar......
BACKGROUND Kitesurfing is an increasingly popular and potentially dangerous extreme water sport.We hypothesized that kit......