弧立點 的英文怎麼說

中文拼音 [húlìdiǎn]
弧立點 英文
isolated point
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  1. The relation of radius of curvature and error as well as formulas of increasing parameters on condition of constant error are diverted. the equation of the line on the center of approximate circular arc is obtained ， and it can avoids the trouble that numerical solution owns possibility of no convergence and simplifies node calculation of non - circular curve

    導出了曲率半徑與逼近誤差之間的關系和等誤差條件下的參數遞推公式，建立了通過逼近圓弧圓心的直線方程和圓心坐標計算公式.按這種方法用圓弧逼近平面參數曲線，不需要求解非線性方程組，避免了計算可能不收斂的麻煩，簡化了非圓曲線的節點計算過程
  2. A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up

    建立了配電網的簡化模型，即將饋線開關當作圖的頂點、將饋線當作弧，採用等長鄰接表的數據結構來描述配電網，大大減少了佔用空間和提高了查詢速度，並建立了基於等長鄰接表的配電網路拓撲演算法。
  3. Such research can lead to a new flight procedure design methodology, which copes with these problems and makes strong economical senses. under the guidance of aviation safety, efficiency, regularity and economy, this thesis applies the principle of the instrument flight procedure, firstly, to research the current vor / dme instrument flight procedure, namely the vor / dme instrument flight procedure ( vor / dmf. ifp ), its holding procedures, departure routes, arrival routes, and approach procedures, cor the terminal airspace

    本文在安全、效率、正常和經濟的原則下，運用儀表飛行程序設計的思想和原則，首先對在vor / dme導航臺上建立儀表進場航線、等待程序、儀表進近程序和儀表離場航線等機場空域內的飛行程序的設計方法進行了研究，總結出不同位置的vor / dme儀表飛行程序的布局形式、適用情況及其優缺點，並首次提出了以vor / dme為基準的封閉圓弧進近程序；其次，研究了基於vor / dme導航臺的區域導航飛行程序的設計方法；最後，研究了在現有的vor / dme儀表飛行程序上建立區域導航飛行程序的設計方法。
  4. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  5. In order to solve the default of the limited valid scope and discontinuity characteristic, introducing the state continuous conversion gene based on establishment of respective mathematics model for low and magnitude current scope, and integrate with them reasonably then having established the mathematics model of suitable whole scope and having solved present mathematics model existent problems

    本文針對目前電弧爐負載數學模型存在的適用范圍有限、特性不連續等缺點，在建立了分別適合大、小電流區域運行特性的數學模型的基礎上，引入狀態連續轉換因子，將分別適合大、小電流區域運行特性的數學模型有機結合為一個整體，建立了適合全范圍的數學模型，解決了目前數學模型存在的問題。
  6. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability ， insulation coordination ， electromagnetic interference ， but assault safety 。 in china ， the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network ， low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai ， beijing ， and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas ， such as zhuhai ， substations grounding with low resistance revealed some problems ， including power supply reliability rapidly dropping ， transmitting line often tripping ； and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析，比較各方式的特點，然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型，在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下，對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算，其計算結果與電科院所作現場試驗進行了比較。
  7. On the bilateral coordination, he puts the bilateral coordination between the united states and the ec as an example to introduce the present conditions of the bilateral coordination, and then assesses it. on regional cooperation, he focuses on cooperation of the countries of ec. at last, he analyses the feasibility and the difficulty of making an international uniform antitrust law, and then puts forwards the steps of building a system to regulate the transnational m & a under the wto system

    在單蛐制方面，筆者分析了發達國家反壟斷法律的發鵬勢及其原因，並考察和評價了反壟斷法的域外適用制度；在雙邊協調方面，筆者以美歐間的雙邊協調為例，介紹了目前雙邊弧的現狀並加以評價；在區域弧方面，筆者重點分析了歐盟國家反壟斷法律的郴；最後，筆者分析了制定國際統一反壟斷法的可行性和障礙，並提出了在世貿組織竟爭規則下建立跨國並購規制制度的步驟。
  8. It is independently adjusted on the right and the left patent no36247. the rotary point of pincers base plate is located at the point between the first and second pincers. the curve in between will be changed when the groups of right and left pincers are adjusted, which will keep the uppers more attached to the lasts

    18 .爪盤大小可快速調整結構爪盤採用雙軌跡結構，左右分開獨立位移調整專利第新型36247號其旋轉原點則不受空間限制，設定於中爪及第二爪之銜接處，故左右爪組于快速調整大小時，和中爪之弧型位置，絕不會改變，可使鞋面于夾緊時更貼楦頭，確保結幫品質。
  9. Physical model test about vertical and several arc type wave screens which were commonly used was carried out, measuring the wave force and overtopping on the wave screens, analyzing the characteristics of wave force and overtopping of different types of wave screens, and researching the mutual relationship between the wave force and overtopping due to different types of wave screens, to service as a reference for wave screen design of sloping breakwater

    通過對常用的直立式及幾種圓弧式防浪墻進行物理模型試驗，測量作用其上的波浪力和越浪量，分析不同防浪墻形式在受力和越浪上各自的特點，並討論防浪墻型式引起的越浪和受力的相互關系，可供料坡堤防浪墻設計參考。
  10. 8. this thesis initiates the 8 - quadrant angle computing method. this method can rapidly recognize the adjacency relationship of all the edges linked with the same node and avoid the complicated computing of trigonometric function. furthermore, this method can rapidly construct the adjacency relationship of all the arcs linked with the same node, in the construction of topological data structure in gis, which is helpful to the rapid construction of topological structure

    創造性地提出了a象限角度計演算法，它可以實現快速確定與同一結點相連接的所有邊的鄰接關系；避免了復雜的三角函數計算，而且該演算法還可以在gis的拓撲數據結構建立過程中，快速地構建與同一結點相連的所有弧段間的鄰接關系，為拓撲結構的快速建立創造了條件。
  11. As far as model is concerned, the forth generation software should be characterized with spatial entity - oriented. the paper established the geographic spatial model based on the thinking of object - oriented ; studied the structure of the model " s elementary unit - - geographic entity ; brought forward the concept of geometric data type which characterize entity ' s spatial feature in the structure ; defined five kinds of geometric data types such as point, arc, area, composite arc, composite area ; and formalized their collective operation using hypergraph. at the end of this paper writer studied preliminarily the method of entity query and analysis based on the model

    本論文從面向對象的基本思想出發，建立了面向對象的地理空間模型；研究了地理空間模型中的基本單位? ?地理實體的結構，針對實體結構中用來表徵實體空間特性的組成部分? ?幾何對象，提出了其取值范圍，即幾何數據類型的概念；對點、弧、面、復合弧和組合面五種幾何數據類型進行了定義；並使用超圖工具對幾何數據類型的集合操作進行了形式化描述；對基於面向對象的地理空間模型的實體查詢和分析方法也做了初步研究。
  12. In this paper the shortcomings of the constant impedance control method has been analyzed, in accordance with efa system " s characteristics, requests of design and developing direction of efa control system an intelligent control method has been proposed. based neural network the model of the efa is established, which can pre - estimate the echo of control variable of efa. by analyzing the result of pre - estimate the control variable can then be adjusted in real time

    本文分析了電弧爐恆阻抗控制存在的不足，在此基礎上針對系統的特點和控制要求，參考國內外電弧爐控制的研究發展方向，提出了一種基於神經網路的電弧爐控制方法，即利用神經網路建立電弧爐模型，並對系統的響應進行預估，將對預估值和期望值進行比較計算並對實際控制量進行校正。
  13. Because of the nonlinear, time - variability and uncertainty of the submerged - arc welding progress, the characteristic of accurate mathematic model being hard to establish, we can adopt the fuzzy control technology to design the welding dolly control system, and the couple closed - loop fuzzy control velocity system and fuzzy control algorithm for the speed of the welding dolly are researched based on the control system of submerged ? arc welding

    同時長時間工作也容易使人產生疲勞，影響焊接質量。針對埋弧焊過程的非線性、時變性和不確定性，難以建立精確的數學模型等特點，採用模糊控制來設計焊接小車控制系統，同時研究了焊接小車雙閉環模糊調速系統，並針對焊接小車速度的雙閉環模糊控制演算法進行討論。
  14. In the wrscs, the self - consistent model is used to describe the complex configurations of the particulate composite and the temperature field is solved by weighted residual collocation method with some proper simplifications. this method provides a more efficient way of setting up the algebraic equations corresponding to the governing differential equations. the prediction formula for the effective thermal conductivity of the composite is obtained

    權殘自洽方法可以用於描述不同形狀夾雜的復合材料的微觀結構，通過對不同幾何形狀角點做適當的圓弧化處理，採用加權殘值數值計算方法的配點法將求解微分控制方程變為求解線性方程組，進而得到任意形狀夾雜內部的溫度場，建立含不規則形狀夾雜的復合材料有效熱導率的預測公式。
  15. Because arc welding inverter is working in the large signal perturbation state, a large - signal simulation model is created

    根據弧焊電源系統工作在大信號擾動狀態下的特點，建立了電源系統的大信號模擬模型。
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