點式下確界英文怎麼說

點式下確界 的英文翻譯

點式下確界 例句

1. The paper analyzes comparatively interior transaction cost of integrated model with analysis structure of r. h. coase and market transaction cost of market model according to bargain proceeding ; analyzing economy of scales for electricity industry on the terms of its definition coming up with an improved " survival of the fittest " method to find optimum economic scale and explaining " separation of power plant from electric network " with the view of vertical economy ; studying selection and realization for valid competition of electricity industry with theory of contestable market, while setting up a oligarch monopoly competition model for the electricity market based on tax control of government with the thought of dynamic game theory of
   應用科斯的交易成本分析框架對一體化管理模 式 下 的內部交易成本進行分析，按照契約過程對市場化模 式 下 的市場交易成本進行分析，並作了相應比較；按照規模經濟的定義對電力產業的規模經濟性進行了分析，提出改進的"適者生存法"來 確 定電力產業的最優經濟規模，並運用縱向經濟的觀 點 解釋"廠網分開" ；應用可競爭性理論研究了電力產業的有效競爭方 式 的選擇和實現，同時借鑒stackelberg模型的動態博弈思想，構建了基於政府稅收調控的電力市場寡頭壟斷競爭模型，通過對模型的分析說明了市場結構的演化和政府管制的必要性。
2. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition
   首先對漸開面二次包絡理論進行了深入的探討，推導出了兩次嚙合的嚙合方程 式 、瞬時接觸線方程 式 、根切 界 限線方程 式 、嚙合 界 限線的方程 式 及其存在條件，相對運動速度方向與接觸線方向的夾角及接觸線上各 點 的誘導法曲率；此外，還對磨齒后工件的齒面誤差進行了理論分析；並在理論基礎上編制了相應的計算機程序，自動生成接觸線族及嚙合 界 限線，對不同參數條件 下 的嚙合情況進行分析，可以使工藝條件達到最佳狀態；最後研究了磨齒裝置，設計了磨齒機的傳動系統。
3. A branch and bound algorithm for solving a class of nonlinear 0 - 1 knapsack problems is proposed, in which branching is common 0 - 1 variables one and a better feasible solution is found by a simply integer heuristic method as well as a lower bound of the optimal value of the subproblem in the each branching node is determined by solving linear programming relaxed approximate problem to be obtained with linear relaxed technique
   摘要構造出了一類可分離非線性0 - 1背包問題的分枝定 界 演算法，分枝的過程是普通的0 - 1變量分枝，用簡單的取整啟發 式 法 確 定更好的可行解；而在每個分枝結 點 處用線性鬆弛技術 確 定了它的子問題的一個線性規劃鬆弛逼近，由此得到最優值的一個 下 界 。
4. The thesis systematic evaluated the creative capability of chinese forestry s & t. on the basis of reviewing and summarizing the reform of the system of forestry s & t, according to the law of development of world s & t, it analysis the development status and trend the creative organization system of chinese forestry s & t. according to the features of creative organization system, the author built creative organization system that is the combination of government administrative as main part and the marketing as supplementary part and suggested creating new policy for system of forestry s & t. management system is guarantee of state - owned forestry region sustainable development ca
   本文對我國林業科技創新能力進行系統評價；在對我國及林業科技體制改革回顧和總結的基礎上，根據世 界 科技發展規律，著重闡述了我國林業科技創新組織體系的發展狀況及發展趨勢；根據林業科技創新特 點 ，作者提出建立政府主導型和市場誘導型相結合的林業科技創新體制，並提出林業科技創新體系建設的政策建議。管理體制是國有林區可持續發展能力建設的保障，在非持續發展模 式 下 建立的管理體制不能適應可持續發展的需要，因此需要對原有體制進行調整改革或重構。
5. The greatest lower bound of a is also called the infimum of a
   A的最大 下 界 邊稱為a的 下 確 界 。

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