optimal characteristics 中文意思是什麼

optimal characteristics 解釋
最佳特性
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手，建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型，揭示了水文地質參數隨機性對管理模型結果的影響，認為參數的隨機性越大，管理結果越壞；置信水平越高，管理結果越壞，且滲透系數和邊界條件對管理結果影響最大。
  2. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. Some existing topology - unaware collective operations algorithms do n ' t make use of the information about network topology. firstly, these approaches construct a model of network topology and make use of a set of parameters to describe the communication characteristics of a network model, then build the optimal trees based parameter values and their models to realize collective communication

    現有的一些未知拓撲型集合通信演算法，並不利用網路拓撲結構信息，都是首先對網路模型化，並且用各種參數來描述該模型中網路通信的特點，然後基於此模型和其參數值為集合通信操作構造最優樹來實現集合通信。
  4. According the characteristics of granulated crumb rubber asphalt mixture, the improved marshall test method is put forward to confirm the optimal asphalt content. in this process the anti - scaling ratio is considered

    對橡膠顆粒瀝青混合料組成材料的配比范圍、級配組成設計方法、最佳瀝青用量的確定方法等進行了研究。
  5. Virtual reality based - on vrml is a technology that describe three dimension space. it is provided with characteristics that realizing the function of real time rendering and interactivity to the scene, constructing abundant sculpts and scenes and experiencing sense of being personally on the scene to deviser, at the same time, it is provided with important significance that improving efficiency of design and realizing optimal purpose of design in design of engineering and manufacture

    基於vrml的虛擬現實（ vr ）技術是三維空間描述技術，其最大特點是可以實現對場景的實時渲染與實時交互的功能，創建豐富的造型和場景，使設計者具有身臨其境的感覺，應用在工程和產品設計中對提高設計效率和達到設計的最佳效果具有重要的意義。
  6. Functions : this product contains “ antifungal active protein ” with optimal and strong sterilization effect, which could strengthen the immunity of body fluid, activate the macrophage, strengthen the phagocytosis ability of macrophage, strengthen the body immunity, restrain the growth, pervasion and transfer of abnormal cells, the product has strong sterilization effect and could strengthen the disease resistance ; it is remarkably effective in improving the immunity and improving the infirm constitution of pets ; the amino acid content and composition in the product are moderate and rational, with the characteristics of strong palatability, nutrition balance and immune element abundance, etc

    功能：本產品中擁有極佳強烈殺菌作用的「抗菌活性蛋白」 ，能增強體液免疫功能，活化巨噬細胞，增強其吞噬能力，可增強機體免疫力，抑制非正常細胞生長、擴散和轉移，具有強烈的殺毒作用，增強抗病性；對提高寵物免疫力，改善虛弱體質有顯著效果；其中氨基酸含量適中、組成合理，具有適口性強、營養均衡和免疫物質豐富等特點。
  7. 4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved

    基於粘性流體力學，以功率損失最小為目標，首次對牛頓流體在斜齒齒輪泵中的漏流特性進行了研究，建立了泄漏模型，分別得到了斜齒齒輪泵的徑向和軸向泄漏的數學計算模型；同時得到了斜齒齒輪泵最佳徑向間隙和最佳軸向間隙，並在此基礎上進行了數值計算。
  8. In the thesis, the author gives the clear definitions for " " mining area " and " " sustainable development of the mining area ", analyzes the characteristics of the resources endowment in a mining area, regulates the optimal behavior of the mining area with the revised hotelling model and describe the desirables stage model for the mining area under the sustainable development

    在論文中，作者給出了資源、經濟和環境角度的礦區和礦區可持續發展的定義，並從自然和社會角度分析了礦區資源稟賦特徵，用改進的hotelling模型規范礦區的資源開採行為，描述了在可持續發展下礦區資源利用理想發展階段模式。
  9. This dissertation analyzes the characteristics of hydrotechnic obstructions. and it uses the achievement in scientific research there have been and the standards there have been issued, chooses the appropriate contents and the appropriate objects to study. form the analysis, the dissertation evaluates the water traffic safety degrees effected by hydrotechnic obstructions, makes the main indexes that effect obstructions degree quantificationally, finds out the optimal using state for navigation resources

    論文從分析內河水工礙航物礙航特性出發，借鑒國內已有的科研成果或已頒布的標準，擇其合適的內容，選擇合適的對象進行研究，分析、評價、認定水工礙航物對水上通航安全的影響程度，將判斷水工礙航物礙航程度的主要指標量化，尋求通航資源的最佳利用狀態，使水工建築物的規模在滿足航運發展的前提下得到合理控制。
  10. Based on the actual inventory conditions of petroleum enterprises and an analysis of the attitudes of material supply, optimal model of inventory was brought forward to economize capital. in this model, the optimal inventory and purchase are predicated with purchase capability, market price and so on. according to the inventory characteristics in the petroleum area, some inventory control methods were put forward, such as the distributed stocking and wholly limited quantity, purchasing just - in - time, and united stocks management and so forth

    作者根據石油企業庫存的實際情況，分析了為生產提供生產物資的特點，建立了一個以節省資金為直接性能指標的庫存優化模型，這個模型能夠根據購買能力、市場價格、資金周轉率等方面的信息預測最佳庫存量和購買量，根據石油行業庫存的特點，提出了分散式庫存整體限量法、即時采購、聯合庫存管理等庫存控制管理方法。
  11. The polarization - dependent diffraction characteristics of the metallic echelle and the total internal reflection ( tir ) types of diffraction gratings are studied, and optimal design method based on the hybrid diffraction method is presented

    針對目前衍射光柵器件在損耗、偏振敏感性等方面的不足，本文對金屬反射型以及內全反射型凹面光柵的偏振相關的衍射特性進行了矢量分析，並基於混合衍射方法提出了更為準確有效的優化設計方法。
  12. Compared with a delta wing aircraft, the double - delta wing configuration has better aerodynamic performance at high angles of attack. an operational analysis was introduced as a method for evaluating training effectiveness of trainer aircraft. approaches to the engineering estimation of aerodynamic characteristics for aircraft with a double - delta wing configuration were studied, and the procedures for determining aircraft performance indices formulated. taking training effectiveness as the objective function and geometric parameters of the wing platform as design variables, through a numerical multivariate optimization arithmetic, the conceptual design optimization for a certain fighter trainer aircraft with double - delta wing configuration was carried out under the constraints of tactical and technical requirements and interrelated geometry. agreement of a calculation example with engineering practice indicates that the optimal design has higher training effectiveness than the baseline design, and in addition, improves the structural force - bearing conditions

    雙三角翼氣動布局比三角翼飛機具有更好的大攻角空氣動力特性.引入了評估教練機訓練效能的作戰分析法，研究了雙三角機翼布局飛機空氣動力特性的工程計算途徑以及飛機性能指標的確定方法.以訓練效能作為目標函數並選取機翼平面形狀的幾何參數為設計變量，採用多變量數值尋優方法，在戰術技術指標及相關幾何約束條件下，對某高級教練機的雙三角機翼氣動布局方案進行了優化選擇.算例表明最優方案不僅比原準方案具有更高的訓練效能，還改善了結構的受力情況，與工程實踐吻合
  13. The paper discusses the operational characteristics of warehouse and gives a common order picking optimal algorithm for travel salesman problem

    摘要分析了自動化倉庫堆垛機揀選作業的運行特點，給出了堆垛機揀選作業旅行商數學模型的常用優化演算法。
  14. This paper concludes that the high control exercised by transnational retailers to their subsidiaries is reasonable and the sole proprietorship with high control trend is the optimal pattern for retailing nature and resource characteristics, based on comparison between transnational retailers and manufacturers in terms of overseas market entry modes

    摘要本文基於跨國零售企業性質與資源特徵視角，分別運用邏輯推理方法、統計分析方法，分析了跨國零售企業與生產企業相比所具有的多重特殊性、海外市場各種進入模式的內在特性，認為，跨國零售企業母公司對子公司的高控制度追求，有其邏輯上的必然性；而具有高控制特徵的獨資模式是與零售企業性質與資源特徵的最佳匹配。
  15. Based on the characteristics of different hybrids and their parents, it was very important to increase the accuracy of field purity identification in hainan to determine optimal sowing time and adopt suitable techniques in cultural management

    根據品種特性，確定最佳播種時期，並採用合理的栽培與管理技術，是提高雜交水稻種子純度種植鑒定結果準確性的關鍵。
  16. Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively

    本文針對不同類型的輸水管線和配水管網系統的特點，應用遺傳演算法和線性規劃等優化設計理論和方法，對其優化設計問題進行了較為系統的研究，成果如下： 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型，並提出了計算方法。
  17. This thesis concludes the flood control situation, engineering measures and the situation of optimal dispatch method. it studies flood control engineering system, which is composed of flood prevention reservoir, river course dyke and natural detention basin, and the relationship between various flood engineering measures according to the composition and characteristics of the flood control engineering of the middle - lower reaches of beijiang. it suggests the objective function based on the least flood loss and the optimal dispatch strategy structure of the middle - lower reaches of beijiang bound with the requirements of the flood gradual progress equation combined with hydrology and hydraulics

    本論文總結了我國防洪情勢、防洪工程措施及其優化調度方法研究的現狀；針對珠江流域北江中下游防洪體系的組成及其防洪工程的特性，研究由防洪水庫、河道堤防和天然滯洪區共同組成的防洪工程體系中各防洪工程措施之間的關系；提出了以洪災損失最小為目標函數、以水文學和水力學相結合的洪水演進方程等要求為約束條件的北江中下游防洪體系優化調度策略框架。
  18. Abstract : in this paper, the characteristics of production system have been analyzed and the production economic functions have been set up in mine. the matrix of two - dimension alternately action is analyzed for mining process and factor in open - pit mine. it is made algorithm for matrix of two - dimension alternately action. under the conditions of binding, mine system is optimum running by optimal program, optimal coordination and optimal control

    文摘:分析了礦山生產系統的特點，建立了礦山生產經濟函數，對露天礦生產工藝、生產因素進行了二元交互作用矩陣分析，提出了求解二元交互作用矩陣的演算法，通過最優計劃、最優協調、最優控制使礦山生產系統在一定約束條件下最佳運轉。
  19. However, as a newly introduced technology, the theory of this type of piles has not been fully developed. many of its important characteristics, such as the stress and strain characteristics, have not been determined, as well as the optimal distances between plates and piles

    但是它作為一種新的技術在理論研究上尚不夠成熟，對其受力特徵、沉降特性、破壞特性以及最佳盤間距、樁間距等還不能完全確定。
  20. Optimal characteristics of a canonical correlation variable under unitarily invariant norm

    典則相關變量的酉不變模最優性
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