variable point 中文意思是什麼

variable point 解釋
變量點
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  2. The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium

    測定結果表明，這幾組體系均為簡單低共熔體系；同時利用差熱掃描量熱法（ dsc ）對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上，通過改進單參數margules方程並引入新的變量溫度，達到了將此方程用於固液平衡計算的目的。
  3. In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density

    總的來看，各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。
  4. From textural point of view, about 30 % soils are clayey, 35 % loamy and 10 % sandy while the remaining have variable texture

    從質地上看，約30 %的土壤是粘土， 35 %是壤土， 10 %是砂土，其餘土壤質地龐雜。
  5. Study on control characteristic of synchronous point of a metal pushing belt - planetary gear continuously variable transmission system

    行星齒輪無級變速傳動系統同步點振動控制研究
  6. The harmonic analysis method for computing force of end - point of variable cross - section beam when it does transverse vibration

    計算變截面梁橫向振動時桿端力的調和分析法
  7. The adoption of the variable pump is a breakthrough of the water cutting jet which solved the previously problems in suing the home - made products, such as piston pump filling - up, noise, high - consumption of energy, high oil temperature, lowering of piston pump pressure at the beginning of the work which would effect the starting point and the longevity of the high pressure components will be affected by the changes of pressure

    採用變量泵是水刀的技術突破，以前用國內柱塞泵，噪音大、不節能、油溫高，柱塞泵在開始工作時壓力會降低，這樣會影響切入點效果，高壓部件會受到壓力的變化而影響高壓部件的使用壽命。
  8. Computer calculation : taking ellipse as an example and taking matlab as an empolder environment, the maximal driving force ( torque ) and each joint variable, variable ' s accelerations, coordinate values of exercise point in workpiece coordinate frame and the distance of this point from base coordinate frame can all be calculated. finally each joint variable in finishing work are calculated

    計算機求值：以橢球為例，以matlab語言為開發環境進行動力學求值，計算得到各關節處應施加的最大驅動力（力矩）及該值下的各關節變量、變量加速度、加工點在工件坐標系中的坐標及加工點距基坐標系原點的距離等值。
  9. In this case i defined a variable called wps. home to point to the shared library directory for the local websphere portal installation

    在本例中，我定義了一個名為wps . home的變量，讓它指向本地websphere portal安裝的共享庫目錄：
  10. So, this paper that is based on the their own characteristics and their status, discusses the salary system ’ status and problems of the middle and small - scale iron and steel enterprise, and point out some new creative thoughts according to the compensation rules of the shuicheng iron & steel group company and nanjing iron & steel united co., ltd. in the principle which retaining and motivating the key staff is mainly and recruiting the employees from the external is supply, we should do seriously the job analyze and post appraisal, and adopt the market pay level which is the hybrid policy. in the additions, in the guidance of the hierarchy of the need theory, takes the deference measures to design the compensation structure according to the executive 、 the middle and low level manager 、 technicians and operative employee doing the contributions to the enterprise, adjusts the ratios of fixed wages and variable wages, uses the annual salary system for the executive, implementing the dual ladders to the managers and the technicians

    為此，本篇論文主要是根據中小鋼鐵企業的自身特點，論述了中小鋼鐵企業的薪酬體系的現狀和存在的不足，並結合水城鋼鐵（集團）公司和南京鋼鐵聯合有限公司兩家鋼鐵企業的薪酬制度，提出了相應的創新思路，即在以留住、激勵關鍵人才為主，以外部招聘員工為輔的思想指導下，認真做好工作分析、崗位評價工作，採取混合政策的市場薪酬水平，同時，在需求層次理論的指導下，根據經營管理人員、一般管理人員、技術人員及操作人員對企業的貢獻不同採取了不同的薪酬結構設計，調整了特殊人群的固定工資和浮動工資的比例，對經營管理人員實行年薪制，對技術人員和管理人員實行「雙梯制」的職業發展通道，從而確保了薪酬制度的公平性、經濟性、激勵性，不同程度地鼓勵了企業特殊人才的工作積極性和主動性，優化了企業的制度，提高了企業的核心競爭力。
  11. In this thesis we propose a scaling trust region interior point algorithm for linear constrained optimization subject to bounds on variable

    本文將提出一種仿射變換的信賴內點演算法解決變量有界的線性等式約束優化問題。
  12. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。
  13. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  14. It fulfilled the transforming from point data to polygon data and created the field soil nutrient spatial distribution graphics using the different kinds of interpolation ways. it integrated soil test nutrition data, object yield obtained by historical crop yields of past years, fertilization model and expert knowledge to realize intelligent decision and make field fertilizer prescription. with the card ataflash, the prescription made by the system can be imported into the control computer of variable - rate fertilizer machinery and direct variable - rate controller to implement variable - rate fertilization

    系統實現了以下主要功能：應用不同的插值方法實現點狀信息向面狀信息的轉化，生成農田土壤養分空間分布圖；以土壤采樣測試分析數據作為土壤背景養分，並根據歷史產量及其他信息分析確定施肥所要達到的目標產量，通過集成施肥模型和專家知識實現智能決策，生成田間定位施肥處方；然後用ataflash卡導入到變量施肥機械控制計算機上，指導其田間變量作業。
  15. Concerned the discrete area of the steel shape, a method is presented : searching the best solution of continual variable first by criteria, and next searching optimal solution by the direct - searching method of mixed variable on the original point of the continual result

    慮到型鋼截面的離散化，本文對多層輕鋼框架結構優化提出一種近似的處理方法，即先用準則法求得連續變量最優點，然後將其結果作為混合變量直接搜索法的初始點進行第二步優化。
  16. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵，在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系，並利用轉子在不同起車情況下的振動信息，有效地分離了彎曲響應和不平衡響應，求解出彎曲量與不平衡量的比值.提出了轉子在恆定轉速下，基於二維全息譜技術的熱彎曲故障識別方法.研究結果表明，當彎曲量相位穩定而其幅值變化時，轉子響應的二維全息譜初相點的切線是相互平行的，由此可以有效地實現轉子熱彎曲故障的識別與診斷
  17. Based on the multidisciplinary design optimization, a multidisciplinary variable coupling design optimization method for non - hierarchic systems was presented, and its basic ideas and working principle were given, to handle the coupling between subsystems, a coupling function was established by the ideal point during system - level coordination, which was used to coordinate independent optimization of the subsystem and finally obtain the global optimal solution

    摘要基於多學科設計優化原理，提出了面向非層級復雜系統的多學科變量耦合優化設計方法，闡述了其優化設計的基本思路和工作原理通過設置理想耦合點，構造了耦合函數，使子系統在各自獨立優化設計的同時，在系統級的協調下達到耦合關系的滿足，並使系統得到總體上的優化。
  18. In the case of 16 boundaries, cubic b - spline function taken as trial function, the solutions to nonlinear stability of truncated conical shells and spherical shells with variable thickness were obtained by the method of point collocation

    在16種邊界條件下，以三次b樣條函數為試函數，用配點法計算變厚度開頂圓錐殼和球殼的非線性穩定。
  19. Variable - point representation system

    可變點表示法系統
  20. Variable - point representation

    可變點表示法
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