key forecast 中文意思是什麼
key forecast
解釋
關鍵的預測-
Forecast model for key mechanical parameters of level ice sheet in bohai
渤海連續冰層關鍵力學參數預報模式 -
The research result will play an active role on the traffic volume forecast of the high - type highway and deciding one key highway project in hebei province and our country
研究成果對河北省乃至全國高等級公路的交通量預測及重大項目決策均將發揮積極的作用。 -
Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process
在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。 -
The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area
本論文針對淮北地區水資源開發利用現狀及存在問題，以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象，運用系統工程觀點，採用數學模型方法，對該區水資源問題進行了綜合研究，主要內容為： （ 1 ）地下水資源及開發利用現狀； （ 2 ）地下水計算參數測定和計算方法； （ 3 ）灌區經濟參數； （ 4 ）採用有限單元法、面狀井系法、水均衡法，建立亳州渦河以北地下水位預測模型； （ 5 ）建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型，應用系統分析的方法，研究地表水與地下水聯合運用，農業最優種植模式及各種水源的最佳分配比例； （ 6 ）淮北地區水資源開發利用存在問題及建議。 -
In power market, system marginal price ( smp ) is the product price of an individual energy enterprise whose profit relies on successful bidding policy, and bidding policy is generally based on accurate mastery of short - term market tendency whose key is to carry out forecast of smp
系統邊際結算電價（ smp ）是發電企業在競爭性電力市場中的產品價格，以經濟效益最大化為驅動，發電企業的利潤依賴于成功的報價策略，而報價策略形成的基礎是準確把握短期市場的走向，把握市場的關鍵則是對smp的準確預測。 -
Passenger flow forecast model is not only the key of seats automatic a ] lotment, but also the main factor which affects the results of seats automatic allotment. upon the base of analysis of passenger traffic quantity forecast for market of railway passenger traffic, this paper points that different forecast models should be matched to passenger flow forecast needed by seats automatic allotment in different periods. it also gives the mathematic models for seats automatic allotment
客流預測模型是票額自動分配的關鍵模型，也是影響票額自動分配效果的主要因素。本文在總結了鐵路客運市場客運量預測分析的基礎上，提出在客流預測時，對于不同時期的票額自動分配所需的客流預測提供不同的預測模型。同時，給出了票額自動分配的數學模型。 -
Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時，本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究，包括： cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構；對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制，保證加工工件表面的精度和光順性；設計具有「前瞻」功能的自動升降速控制方法，保證加工過程的平穩性；通過脈沖均勻化，有效地解決加工過程中因為脈沖不均勻而引起的震動問題。 -
The key factors to apply revenue method is to forecast the cash flow of the enterprises and to select appropriate discount
運用收益法時關鍵要預測被評估企業的現金流量，並選取恰當的折現率。 -
Hydrological forecast is one of the most important parts of hydrology research. it is the key issue in flood control, water resource usage and protection, hydraulic structures design, reservoir operation, and industry and agriculture production
水文預報直接為防汛搶險，水資源的合理利用與保護，水利工程的建設和調度運行管理，以及工農業生產提供服務，是水文研究的重要內容。 -
To minimize the impact of the overhaul of power generating, transmission equipments on the safety, stability and economic operation of power gird, this paper, aiming at the overhaul demand of lots of equipments, brings forward the practical optimization method for overhaul planning which can adapt to the dynamic changes of the scale of power grid and integrate the load forecast and the balance of power load and power volume into it, therefore solve the key technical problems encountered by using computer to realize the optimization of overhaul planning
為最大程度減少電網發、輸電設備檢修對電網安全、穩定、經濟運行的影響，針對電網大量設備的檢修需求，提出了能適應電網規模動態變化，並與電網負荷預測、電力電量平衡有機結合的實用檢修計劃優化方法，解決了利用計算機實現檢修計劃優化的關鍵技術問題。 -
It is advisable to use non - engineering measures as supplementary approaches for flood control. without doubt, it is still a important way to construct a series of key works and scientifically to forecast and regulate flood water, so that flood loss can be reduced as far as possible
當然，在國家地區社會、經濟發展過程中，投入適當的財力進行流域防洪的工程和非工程措施的建設，科學地預報、調度洪水，使洪水形成的災害減到最低水平，仍然是大江、大河防洪工作的一項長期任務。 -
On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數，還是在事故所造成的停電時間上都占據總量60以上。因此，及時了解斷路器的工作狀態對提高供電可靠性有決定性意義；並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法；提出了二次迴路保護器的概念，並將跳、合閘線圈完整性監視和二次迴路保護結合起來，給出具有完整性監視功能的二次迴路保護器實現方案；根據斷路器生產廠家提供的斷路器額定短路電流分斷次數，計算每次分閘對應的觸頭電壽命損耗，預測觸頭電壽命；提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法，並根據此時的負荷電流間接計算主觸頭迴路的電阻；在硬體電路設計上，採用美國ti公司最新推出的一種功能強大的單片機msp430 ，並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題；在通信模塊的設計中，解決了不同工作電壓晶元之間的介面問題，並給出了直接聯接的接線方案。 -
In mr. kiuchi s lecture, he centered his key topic in world economics regarding the " revaluation of the chinese yuan " much discussed nowadays. he explained the economic trends of china and the u. s., and how it closely affects the situation of the japanese economy s foundation, and labor market forecast with originality
木內先生在演講中用其獨特的見解，對目前世界經濟以"中國人民幣升值"的話題為中心，以及與中國美國的經濟發展關系和日本目前的經濟狀況勞務市場的狀況進行了透徹的分析。 -
The research on marine atmospheric numerical forecast and data assimilation methods are very important parts in the project of " marine environmental forecasting and natural disasters reducing technology ", which belongs to the national key scientific projects of tenth five - year
「十?五」國家重點科技攻關項目「海洋環境預報與減災技術」中把海洋氣象數值預報及資料同化方法的研究列入重點內容。 -
Based on summary of headstream of loss of quality - cost, finding key factor of the loss, this paper bring forward how to reduce the cost and increase benefit guarding against quality question and controlling emphases of quality - cost management by analyzing position of the loss and confirming duty of the loss. the forecast, planning, controlling, check and analysis of economic performance of quality - cost management can carried out by setting items of quality - cost management and relative technical methods of accounting. the quality - cost management is a very complicated task
通過對質量成本損失源的分層歸集，找出質量成本損失的關鍵因素，提出了如何進行質量整改，降低質量成本，提高項目的經濟效益；通過分析質量成本損失的位置，明確質量成本損失的責任，從而預防質量問題的發生，把握質量成本管理的重點；通過設立質量成本管理的科目，藉助管理會計的有關技術方法，對質量管理工作的經濟性進行預測、計劃、控制、核算和分析。 -
The correct and reliable forecast and the decision - making come from it are the key factors for company to get success
而正確可靠的預測和由此而產生的可靠的決策，是現代企業成功的關鍵因素。 -
Up to the present, the dampers " analytical models at home and abroad are the models with constant differential coefficient parameters. their key parameters depend on experiment testing. therefore, they are n ' t becoming to forecast the absorbers " characteristic
國內外至今所建立的減振器分析模型，基本上都是集總參數模型，其關鍵的模型參數很大程度上依賴于實驗測定，不適用於減振器特性的預測分析。 -
Failure detection and isolation ( fdi ) is the key technique of srfcs, which can forecast the occurrence of potential failure, tell why and where it occurs, and then provide relevant information for trigger test, control law reconfiguration and automated maintenance diagnostic
故障檢測與隔離是自修復飛控系統的核心技術之一，它能及時判斷故障發生的原因和部位，預測潛在故障的發生，進而為及時預警以及進行飛行控制律重構和自主維護診斷提供相關信息和依據。 -
Failure detection and isolation ( fdi ) is the key technique of srfcs, which can forecast the occurrence of potential failure, tell why and where it occurs, and then provide relevant information for trigger test, control law reconfiguration and automated maintenance diagnostic. flight control law reconstruction is the another core
故障檢測與隔離是自修復飛控系統的核心技術之一，它能及時判斷故障發生的原因和部位，預測潛在故障的發生，進而為及時預警以及進行飛行控制律重構和自主維護診斷提供相關信息和依據。 -
The difference between bp networks and radial basis function networks is pointed out, and we discuss the decision of two important parameters of radial basis function networks. also, we improved on hcm algorithm which is often used to forecast by combining input vector with output vector and getting extended vector when we decide key parameter of radial basis function networks - - - - center vector
文中指出了bp網路與徑向基函數網路的區別，討論了徑向基函數網路的兩個重要參數的設定。在確定徑向基函數網路的關鍵參數? ?中心向量時，通過結合輸入輸出向量得到擴展向量的方式改進了徑向基函數網路用於預測中常用的hcm演算法。
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