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青贮
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青贮
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青贮
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silage
青贮
以新鲜的青绿饲料为原料,在密闭的环境下经原料上附着的乳酸菌厌氧发酵,使饲料中的可溶性糖转化成乳酸、pH值迅速下降,从而抑制其他有害微生物的生长繁殖,保证青贮饲料中的营养物质的含量和质量的相对稳定,改善其适口性并且能够长时间保存的饲料加工技术。
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Urban and Rural Planning, Yunnan University
Urban and Rural Planning, Zhejiang University of Technology
Urban and Rural Residents Minimum Living Standard System
urban and rural settlement system in China
urban and rural sustainable development
urban animal
urban anthropology
urban architectural ensemble
urban area in the Bohai Rim region
urban area in the Middle Reaches of the Yangtze River
urban area in the Yangtze River Delta
urban areas in arid land
urban artificial communities
urban basic function
urban biotope restoration
urban block
urban blue line
urban boundary layer numerical modeling
urban bus/trolleybus system
urban center system
urban centralism
urban cluster
urban cluster economy
Urban Cluster Planning in the Middle Reaches of The Yangtze River
urban communication system
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