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农田生态经济系统
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农田生态经济系统
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理学
农田生态经济系统
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farmland eco-economic system
农田生态经济系统
在一定地域范围内,生态要素和经济要素以农业技术和管理要素为中介,通过物质流、能量流、价值流等形成的具有一定空间和时序结构的、开放的自然-社会-经济复合系统。
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orthogonal curvilinear coordinate
orthogonal data
orthogonal decomposition
orthogonal design
orthogonal design of experiment
orthogonal design of experimental
orthogonal design of experiment method
orthogonal dipole antenna
orthogonal directions
orthogonal double-sweep method
orthogonal ECG
orthogonal eigenvectors
orthogonal elements
orthogonal equivalence
orthogonal expansion
orthogonal experiment
orthogonal experimental design
orthogonal experimental design method
orthogonal factors
orthogonal factors model
orthogonal family
orthogonal form
orthogonal frame
orthogonal frame bundle
orthogonal frequency division multiplexing
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