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中国古代水利基础科学
释义
中国古代水利基础科学
Encyclopedia
理学
中国古代水利基础科学
释
basic science of water conservancy in ancient China
中国古代水利基础科学
中国古代对水流运动、泥沙运动、水文测验及水文预报等规律和基础知识的认识和总结。出现在春秋战国时期,是对周代及其以前治水活动的经验总结,重点在对地表水流运动一般规律的认识上。
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radiation effect on material
radiation effect on solids
radiation efficiency
radiation emittance
radiation emulsion polymerization
radiation energy
radiation-energy density
radiation enhanced diffusion
radiation enteritis
radiation entropy
radiation environment
radiation environmental automatic monitoring station
radiation environmental impact assessment
radiation environmental monitoring
radiation environmental quality assessment
radiation environment management
radiation equilibrium
radiation era
radiation esophagitis
radiation exchange factor
radiation experimental measurement
radiation exposure
radiation factor
radiation field
radiation field measurement
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