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history of Uruguay
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history of Uruguay
Encyclopedia
历史学
乌拉圭历史
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history of Uruguay
乌拉圭历史
乌拉圭全称乌拉圭东岸共和国。位于南关洲东南部。面积186926平方千米,为南美洲最小的国家。人口344.93万(2018),乌拉圭为移民国家,白人占90.8%,大多为意大利、西班牙、德国和其他欧洲国家移民的后裔。印欧混血种人占5%,黑人占4%。居民多信奉天主教。西班牙语为官方语言。首都蒙得维的亚。
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safety information
safety information platform
safety injection system
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safety in railway signaling
safety inspection based on ray-beams
safety inspection of pipeline project
safety inspection system
safety institutional culture
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safety integrity level of safety instrumented system
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safety issue of nuclear power
safety knowledge
safety landfilling of fly ash
safety leadership challenge
safety level of railway signaling
safety maintenance technology of well control equipment
safety management
safety management and inspection requirements of pressure pipeline
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