valley harnessing 中文意思是什麼
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Based on the natural conditions, land use and production situation and implementation of the valley harnessing measures in the anjiagou river basin, dingxi county, gansu province, in this study the land use types, spatial distribution mode of land use structure, costs of farming, forestry and animal husbandry and their economic returns are analyzed, the qualitative and quantitative maximum economic returns of agriculture and animal husbandry are lucubrated, and an optimized design of land use structure is carried out by using the linear programming method and developing a mathematic model under the restriction of land area, labor forces, livestock forces, social requirements and forage supply
摘要根據甘肅定西安家溝流域自然條件、土地利用狀況、治理措施和生產狀況，通過對土地利用的類型、結構空間分佈模式以及人財物資源的輸入和輸出分析，以種植業和畜牧業總體最大純經濟效益最高為目標，從定性到定量，通過建立數學模型，在土地面積、勞動力、畜力、社會需求和飼料需求的約束之下，應用線性規劃方法進行土地利用結構優化設計，求解最優目標解，得出優化方案。 -
Digital valley planning in disaster - harnessing technology for zhejiang province
浙江省數字流域規劃災害治理技術研究 -
Bamiyan lies in a sweeping valley along the silk route, so harnessing its vast tourist potential is one of ms sarobi ' s main projects for reconstruction. but the challenge is great
巴米安座落在當年絲路所經的一片谷地里，因此開發它潛在的觀光資源是薩洛比的重建計劃里很重要的一環。但是她所面臨的挑戰卻也相當艱鉅。 -
Discussion about the comprehensive harnessing the water environment for yulin river valley
以御臨河為例談流域化水環境綜合治理
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