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agricultural science and technology extension system
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agricultural science and technology extension system
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管理学
农业推广
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agricultural science and technology extension system
农业科技推广体制
将农业科学技术成果有效转化应用到农业生产经营活动中,从而提高农业生产经营效率,推动现代农业发展和农业生产力进步的制度设计。
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orientation birefringence
orientation class
orientation cohomology class
orientation correction
orientation cultivation
orientation effect
orientation fluctuation
orientation force
orientation homology class
orientation manifold
orientation of a manifold
orientation of a simplex
orientation of a space
orientation of a surface
orientation of reference ellipsoid
orientation parameter
orientation phase
orientation polarization
orientation-preserving
orientation-preserving automorphism
orientation-preserving isomorphism
orientation-preserving mapping
orientation quantization
orientation reaction
orientation-reversing
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