optimization of expressions 中文意思是什麼

optimization of expressions 解釋
表達式優化
  1. Based on an analysis of fuze - warhead coordination, evaluation of the efficiency of fuze - warhead coordination is taken as made up of two parts : the design efficiency and the bursting model efficiency. their quantitative expressions are derived and their applications are discussed regarding the choice of fuze systems and the optimization of bursting models

    本文通過對引戰配合效率過程的分析，提出將評定引戰配合的效率指標分成有明確物理意義的兩個組成部分：引信設計效率和起爆控制效率，推導了它們的定量表達式，並分析了它們在引信體制選擇和起爆控制模型優化設計等方面的應用。
  2. It can be boiled down to combinatorial optimization problem in mathematics. on the basis of summarizing the complexity and structural features of hmb and rules of its design and manufacture and analyzing the spatial relationship in 3d layout of hmb, the expressions of relevant variants are put forward using the object - oriented approach

    在全面總結液壓集成塊設計問題的復雜性特點，以及集成塊類零部件的結構特徵和設計、製造信息組成規律的基礎上，本文深入分析了集成塊立體布局的空間關系，用面向對象方法定義了與該問題有關的特徵變量的示性表達式，給出優化目標和約束條件，進而確立了集成塊設計問題的數學優化模型。
  3. With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models

    熱力學理論和方法已足以獲得準確的相平衡關系；然而即使對于簡單的二元物系的結晶過程，晶核形成和晶體生長動力學的研究仍面臨許多困難，通常採用經驗模型表述，而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵，因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。
  4. Abstract : mechanism of optimal cutting movement track for stone sawing machine was analyzed. the system mathematical formula was established, the calculation expressions of system technique parameter and the exact calculation methods of optimal offset data were reduced, and the optimization for complex movement mechanism was realized

    文摘:分析研究了鋸石機切削石材運動軌跡的機理，推導出了關鍵技術參數的計算公式和偏心距數據選定的精確計算方法，實現了復合運動機構的優化設計。
  5. Performs the optimization with finite time thermodynamic analysis and obtains the allocation of heat exchanger area for double - stage coupling heat pump systems that maximize the objective function, and the analytical expressions about the optimal temperature of working fluids, the minimum total heat exchanger area and the minimum power input

    摘要應用有限時間熱力學理論對雙級耦合熱泵供暖系統換熱器面積進行優化，得到了系統供熱系數最優時的最佳傳熱面積分配，最佳工質工作溫度、最小總傳熱面積以及最小輸入功率的解析式。
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