“Migration into Northeast China”的概念、定义、翻译、参考文献-科学参考

单词	Migration into Northeast China
释义	Migration into Northeast China Encyclopedia 历史学历史事件释 Migration into Northeast China东北流民在封建势力的压迫剥削下破产和丧失生计，被迫自发地到东北“求食”谋生的人。
随便看	geological suitability evaluation of land use geological survey along a route geological survey drilling geological survey equipment geological survey information technology geological survey technology geological survey vessel geological time geological time scale geologic analogy method geologic analysis method geologic block model geologic hazard geologic hazard chain geologic hazard consequence geologic hazard emergency survey geologic hazard inventory geologic hazard observation and prevention by everyone geologic hazard probability geologic hazard risk geologic hazard survey of collapse,landslide and debris flow geologic hazard susceptibility geologic hazard vulnerability geologic logging geologic map

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