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three-season grazing system
释义
three-season grazing system
Encyclopedia
农学
三季放牧系统
释
three-season grazing system
三季放牧系统
全年有计划地放牧,在满足放牧家畜采食的同时,保证草场牧草有良好的再生能力,且植物植被构成及组分不被破坏的放牧系统。
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road traffic accidents involving foreign affairs
road traffic accident social rescue fund
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Road Traffic Safety Association of China
Road Traffic Safety Association of the People's Republic of China
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road traffic signals
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