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forestry ecological programs
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forestry ecological programs
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经济学
〔农业经营管理〕
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forestry ecological programs
林业生态工程
根据生态学、林学及生态控制论原理设计、建造与调控,以木本植物为主体的人工复合生态系统建设工程。
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relative product
relative projective module
relative proper motion
relative protein value
relative pseudo-complementation
relative radial velocity
relative radio emitting power
relative radiometric calibration
relative radiometric calibration of cameras
relative rate of growth
relative recursiveness
relative recursivity
relative redundancy
relative refractive index
relative refractory period
relative retention time
relative retention value
relative reverberation level
relative Rf value
relative risk
relative risk aversion
relative risk function
relative risk model
relative risk reduction, RRR
relative root system
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