相對縱坡 的英文怎麼說

中文拼音 [xiāngduìzōng]
相對縱坡 英文
relative longitudinal slope
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
  • : Ⅰ名詞(地面傾斜的地方) slope Ⅱ形容詞(傾斜) sloping; slanting
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  1. The dynamic programming model for water conveying and distribution system design is firstly presented in this thesis in the aspect of systematic optimization. taking the minimum earthwork or total cost as objectives, the longitudinal and transverse cross sections of two - stage and more canal system can be optimized to obtain optimal canal slops and relevant parameters, which will satisfy the restraints of water levels without erosion and sediment

    在系統優化方面,本文在總結前人的基礎上首次提出了輸配水系統優化設計的動態規劃渠系協調優化模型,以土方量最小或總費用最小為目標函數,兩級或兩級以上的渠系橫斷面進行優化設計,可得到滿足渠道不沖不淤、水位銜接及首末水位約束的最優及其應的斷面參數。
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