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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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safety performance evaluation
safety period of fertility alteration
safety pharmacology
safety physiology
safety pillar
safety pre-evaluation
safety production cost
safety production incentive mechanism
safety production index
safety production insurance
safety production liability insurance
safety production license system
safety production of hydropower station
safety production qualification certification training
safety production responsibility system
safety production rules and regulations
safety production strategy
safety product validation
safety profit
safety protection
safety protection and guarantee on navigable waters
safety protection device
safety protection for beryllium poisoning
safety protection measures
safety protection of drainage systems
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