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印第安人保留区
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印第安人保留区
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历史学
美国历史
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Indian Reservation
印第安人保留区
美国联邦政府划定的供印第安人居住、占有和使用的土地。归内政部印第安事务局管辖。由一个或数个印第安部落共同居住,土地为部落占有和个人占有相结合。
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radiation source
radiation source in industry
radiation source; radioactive source
radiation spectrum
radiation stability
radiation sterilization
radiation sterilization devices
radiation storage effect
radiation strength
radiation surplus
radiation survey
radiation survey meter
radiation symbol theorem
radiation synthesis
radiation technology
radiation technology for flue gas purifying
radiation technology for solid waste treatment
radiation technology for wastewater treatment
radiation temperature
radiation test and evaluation
radiation test facility
radiation therapy
radiation therapy, radiotherapy
radiation thermometer
radiation thermometry
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