cost prediction 中文意思是什麼

cost prediction 解釋
成本預計
  • cost : n 1 費用；代價，價格；成本。2 犧牲；損害，損失。3 〈pl 〉訟費。vt （cost; cost）1 值，要價（苦幹...
  • prediction : n. 1. 預言，預告。2. 被預言的事物。3. 【氣象學】預測，預報。
  1. This paper researches the basic statistical rule of oil - gas dynamic system from the systematic theory, combining with the common characteristic and structure characteristic of oil - gas dynamic system, taking the design requirement of oil field development programming into consideration, by using of functional simulation principle ( including nn method, differential simulation method ) and historical data of oil field, establishes the in - out conjunctional relationship of dynamic index of oil field development, and researches the two level index prediction of development dynamic with both oil field and oil production plant on the basis of the in - out conjunctional relationship. furthermore, this paper analyzes the " decision - making variable ", " object " and " restriction terms " by the optimization theory and set up several optimal models which compose the oil field development programming, it is following : optimization model of the production composing ( solving the optimal composing of each subentry production and cor responding cost, workload, including the onshore thin oil production, the heavy oil thermal process production, tertiary oil recovery production, and the offshore production ) ; optimization model of measure production structure ( determining the optimal composing of each measure production and measure workload, which is composed of fracture, acidulation, capital repair and so on ) ; optimization model of the production distraction ( optimal distribution of the whole oil field production to each oil production plant ) and the integrated development programming model of oil field

    本文從系統理論出發研究油氣動態系統基本統計規律，結合油氣動態系統的一般特點，結構特點，兼顧油田開發規劃設計的要求，利用功能模擬原理（含神經網路方法、微分模擬方法） ，依據油田歷史數據，建立了油田開發動態指標間的輸入輸出關聯關系，並在此輸入輸出關聯關系的基礎上研究了油田及採油廠兩級的開發動態指標預測，同時利用最優化原理，在分析「決策變量」 、 「目標」及「約束條件」的基礎上建立了多個構成油田開發規劃的「優化模型」 ，這些優化模型包括：產量構成優化模型（解決陸上稀油產量、稠油熱采產量、三次採油產量、海上產量及對應的成本、工作量的最優構成問題） ；措施產量結構優化模型（解決壓裂、酸化、大修等各項措施產量及措施工作量的最優構成問題） ；產量分配優化模型（將油田的產量最優地分配到各採油廠）以及油田綜合開發規劃模型。
  2. Systematic analysis in project cost prediction

    工程造價預測中的系統分析
  3. Research on cost prediction and control method of construction works

    工程施工成本預測與控制方法研究
  4. Chapter three analysis strategic cost prediction and cost decisions

    第三章分析戰略成本預測與決策。
  5. Application of regression multianalysis in cost prediction in open - pit coal mine

    多元回歸分析法在露天礦成本預測中的應用
  6. In long - range dependent case, a 5 - layer bp is applied to predict the network traffic. simulations show that, in terms of prediction, bp is more precise than farima, but at the cost of computing complexity

    研究結果表明，該模型能夠較好地預測自相似業務流，特別是在預測精度上比farima模型要高，但是它的計算量較大。
  7. In order to calculate difficult transportation cost between plants and distribution centers in the fitness value function, flow prediction algorithm was presented to find an minimum - cost flow patterns on an network composed of plants, consolidation centers and distribution centers with concave transportation costs and to obtain the appropriate fitness value

    為了解決適應度函數中的工廠與分銷中心之間的運輸成本計算困難的問題，提出了流預測演算法，用於確定產品在工廠、集貨中心和分銷中心構成的凹費用流網路中的最優運輸路徑，進而獲得適應度函數值。
  8. It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution. the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses. the main courses network plan grade can be verified by the total cost method, and according to which the economic rationality of constructing different grade channels can be evaluated

    本文開展了平原水網地區航道網規劃方法的研究，提出了採用固定資產投資完成額與貨運量回歸預測模型；平均信息量用戶最優分佈模型預測貨物o - d的分佈；容量限制動態增量綜合網路配流模型預測干線航道貨物運輸量和周轉量；採用總費用法論證干線航道網規劃等級，據此評定建設不同等級航道的經濟合理性。
  9. Multiple base element fuzzy algorithm for prediction of cost of engineering projects

    工程項目成本預測的多基元模糊演算法
  10. Market prediction and cost analyse of debris brick

    煤矸石燒結磚的市場預測及成本分析
  11. Mae of hourly load prediction reduced to 65. 07kwh and eep reduced to 2. 60 %. this kind of model has not been reported by literature. a cost - minimum model for ice storage system is established and numerical calculation is carried out

    建立了空調逐時負荷的24小時提前預測多點輸出動態模型，更進一步提高了負荷預測的精度，使得逐時負荷預測平均絕對誤差降低到了65 . 07kwh ，期望相對誤差降低到了2 . 60 。
  12. That is, the prediction accuracy of the energy cost is influenced by incline of running

    也就是說，運動角度會影響對運動能耗的估計精度，需要根據運動速度和角度修正對運動能耗的估計。
  13. The prediction of oil - gas operation cost is the first step of cost budget and control

    摘要油氣操作成本預測是成本預算與控制的首要環節。
  14. Based on value - at - risk we give an example of how to measure the credit risk and provide the process of applying this method in risk management. in order to build a risky prediction model, we select 4 financial indexes from 16 ; these are the ratio of bed debt, the operating cost, the asset - profit ratio and the liquidity ratio

    以農村信用社為實證研究的對象，從16個財務指標中篩選出真正對信用社發生危機有顯著影響的4個指標：不良貸款比率、營業費用比率、資產利潤率和資產流動性比率，建立了農村信用社風險預警機制的模型。
  15. The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge

    針對時用水量預測模型，採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法，其中數種方法預測精度達到工程要求。實踐結果表明，開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態，而且建模所需成本低，運行速度快，省時省力，主要研究了管網宏觀模型的建立方法，分析測壓點布置原理並編製程序。
  16. The results of numerical experiments, using the four - dimensional variational data assimilation system of the nonhydrostatic mesoscale model mm5, show that : the tangent linear model and adjoint model conducted by keeping the " on - off " switches the same as the basic state, can provide a good approximation of the first - order information to the nlm perturbation and a good descent direction for the minimization procedure ; switching on and off at every other time step in the kuo cumulus parameterization scheme do n ' t impact the convergence rate of cost function ; the existence of the switches do n ' t impact improvement to the mm5 model rainfall prediction because that not only specific humidity, but also wind, temperature and pressure are assimilated into the model

    非靜力中尺度數值模式mm5的四維變分資料同化系統進行的數值試驗結果表明： 「開關」變量保持與基態一致，所構造的切向線性模式能夠提供關于非線性模式擾動的一階近似，伴隨模式所計算的梯度值能夠為最小化過程提供較好的下降方向；郭氏降水參數化方案中對流每隔一個積分步的交替發生並不影響目標函數最小化的收斂速度； 「開關」變量的存在也不影響將風、溫度、氣壓和比濕結合起來同化對mm5降水預報準確性的提高。
  17. In bioinformatics, the structure prediction of new sequence can be used to establish the relation between sequence and corresponding to the structure as well as function by making use of the structure - known model of the protein family, so that we can predict the structure and function of protein in less cost and shorter time

    在生物信息學中，通過利用結構已知的蛋白質家族成員（模板）預測新序列的結構可以建立序列與相應結構和功能之間的聯系，從而用較低的成本和較短的時間預測出蛋白質的結構和功能。
  18. On the basis of collecting and processing many datum and materials. firstly. this paper analyzes main activities and cost constitutions of each stage of the life cycle of a fcs, and lay a foundation for later analysis and evaluation of system lcc. secondly, a basis method and usage range for estimating the system lcc are introduced. a multivariate linear regression model of pcs development cost and cost driven factor is built by use of the parametric method and supplies the base of cost estimation of newly - developed systems. thirdly, combine actual examples and make statistical analysis of lcc of a certain pcs developed by our institute, predict unhappened usage and service cost with grey prediction method, obtain proportion of each constitute to the lcc. forthly, according to actual conditions, use the fuzzy theory to overall evaluate efficacy of the fcs, fifthly, combimng our actual conditions, investigate specific measures of how to implement the life cycle cost management in our institute and put forward a new conception of developing web - based flight control system lcc management information system with pdm as the platform. at last, investigate important factors such as reliability and maintainability that may affect the life cycle cost of the fcs in detail, and put forward specific methods of lowering the life cycle cost of the fcs

    論文在收集和整理大量資料的基礎上，首先深入分析了飛控系統壽命周期各階段的主要活動以及各階段的費用構成，為以後系統壽命周期費用的分析和評價奠定了基礎；其次，介紹了壽命周期費用估算的基本方法和使用范圍，並利用參數法建立了飛控系統研製費用與費用驅動因子的多元線性回歸模型，為新研系統的費用估算提供了依據；第三，結合實例對我所研製的某型飛控系統的壽命周期費用進行統計分析，運用灰色預測方法對未發生的使用及維修費用進行預測，得出了該系統的壽命周期費用以及各組成部分所佔比例；第四，根據實際情況，首次運用模糊理論對飛控系統的系統效能進行了綜合評價，構造了飛控系統系統效能模糊綜合評價模型；第五，結合我所實際，探討了如何在本單位實施加強壽命周期費用管理的具體措施，提出以pdm為平臺，開發基於web的飛控系統lcc管理信息系統的新構思；最後，對影響飛控系統壽命周期費用的重要因素如可靠性和維修性等進行了詳細地研究，提出了降低飛控系統壽命周期費用的具體方法。
  19. The prediction of the noise level in the cabin and work space at design stage is aiming to make effective measurement to control the noise level in advance to meet the regulations and ship owner ' s needs, which can avoid incidental expanses in the remediation and modification, so as to shorten the period and cut the construction cost of ship. in order to predict the noise levels in the ship superstructure cabin, the two methods are discussed in this paper, such as the grey prediction method and the acoustics analysis in fem method

    如果能在船舶設計開發的初期就能對其艙室、工作空間的噪聲值進行預測，對不滿足相關規范或船東要求的部位提前採取有力的措施，不僅能有效的達到減少艙室噪聲的目的，還能避免在船舶建造完成後因採取補救和改動措施而造成的巨額開銷，從而縮短了造船周期，降低了造船成本。
  20. Prediction of aircraft fuselage development cost by support vector machines based on rough sets theory

    基於粗支持向量機的飛機機體研製費用預測
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