弧描述 的英文怎麼說

中文拼音 [húmiáoshù]
弧描述 英文
arc description
  • 弧 : 名詞1. [數學] （圓周的任意一段） arc2. （古代指弓） bow
  • 描 : 動詞1. （照底樣畫） copy; depict; trace 2. （在原來顏色淡或需改正之處重復塗抹） retouch; touch up
  • 述 : Ⅰ動詞（陳說; 敘述） state; relate; narrate Ⅱ名詞（姓氏） a surname
  • 描述 : describe; represent
  1. In the simplified model the feeder switches are regarded as the vertexes and the feeder lines as the arcs of a graph

    簡化模型把配電網描述為有權的節點和弧的圖，在此基礎上進行故障的定位、隔離和恢復處理。
  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. There are problems to choose which section plane as the best section plane before the oil well orbit optimized design because there have been ten - more kinds of section planes ( beeline and arc ' s combination ) and the oil well orbit should be fit of all stratum conditions

    考慮到工程上對油井軌道剖面類型（直線圓弧組合）的描述多達十余種，以及實際施工時油井軌道不僅需要滿足最優化條件，還要適應地質、地層和繞障等要求，因此存在井軌道剖面類型的選擇問題。
  4. A technique of 3 - point positioning of welding seams with structure - light visual sensor is presented. with this technique, arc - welding robots can cope with the location variation of weld seams each time in batched manufacturing. on the base of suitable mathematical description, the localization problem is transformed into determining a displacement transformation matrix

    在此系統中利用機器人結構光視覺三點焊縫定位技術，使弧焊機器人可以適應批量生產中每次焊縫位置的變化，通過適當的數學描述，將焊縫定位問題轉化為確定位姿變換矩陣。
  5. The function of the software use pc - computer to dispose the output signal which is produced by the device as following steps : ( 1 ) to input data by parallel interface ( 2 ) to record and form a file ( 3 ) to demonstrate results step by step ( 4 ) the results could be compiled ( 5 ) it can synthesis in the permitted error scope, substituted original dot for line or arc, finally we could get a graph that is described by some simply curve. ( 6 ) to convert these graph into a program, which used in the cutting process of numerical control. ( 7 ) the software also includes some protective methods

    而系統處理軟體的作用是：利用pc兼容機，將上述裝置的輸出信號（ 1 ）通過并行口輸入（ 2 ）記錄成文件（ 3 ）逐點顯示出來（ 4 ）可人工進行化簡，編輯（刪、改點）等（ 5 ）可在給定誤差范圍內進行人工擬合，用直線和圓弧取代原來的點，得到一個與原圖形的誤差在規定范圍內，又消除跟蹤過程中因受到各種干擾而造成的缺陷，由盡可能少而簡捷的數學曲線描述的圖形（ 6 ）把這些圖形轉化成用於編制數控線切割加工程序及autocad能夠識別的文件（主要指dxf格式） （ 7 ）該軟體還有一定的加密措施。
  6. Fifteen patients were diagnosed as having vibrio vulnificus infection in our hospital since 1992, and one patient, a 42 - year - old alcoholic male, presented with syndromes of shock and acute necrotizing fasciitis on left lower limb as the initial manifestation of vibrio vulnificus infection

    本文描述一位四十二歲的男性酒癮患者以休克癥狀及急性左下肢壞死性筋膜炎作為創傷弧菌感染的最初癥狀表現。
  7. In shape analysis, we get feature units of shape, that is, arc segments and straight - line segments through segmentation and identification of digital curves and the following combination of the same features, and present a new method of object expression and recognition based on straight - line segments

    在形狀分析中，通過曲線分割、分段識別以及相同特徵的合併來提取形狀特徵基元，即弧線段和直線段，提出一種基於直線段的目標描述和識別方法。
  8. 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。
  9. It first shows the building of stochastic, time - dependent network model, the description of k expected shortest paths problem, the demonstration of travel time probability distributions for the arcs in transportation area, and the calculation of expected travel time on path

    本文首先給出了隨機時間依賴網路模型（ stdn模型） 、 k期望最短路徑問題的形式化描述，並針對交通應用領域推導出弧耗費服從的概率密度函數，路徑期望值的計算方法。
  10. Basing on key concepts and techniques in object - oriented modeling, the thesis discusses design of object - oriented spatiotemporal data model, and entirely defines and describes spatiotemporal object types that are of concern in a stdm. organization of temporal attribute data and temporal treatment of spatial object are described. spatiotemporal object operators and spatiotemporal index are logically designed

    論文對模型的時態屬性數據組織和空間對象的時態處理進行了描述，提出作為節點和弧段，空間位置和范圍是它們的本質屬性，所以只要節點和弧段的空間位置和范圍發生變化，則節點和弧段發生生亡事件。
  11. First, suppose a source point and a sink point. second, draw a unilateral line from source point to every substation node. the line ' s capacity is set as corresponding substation ' s allowable load value and the line cost is set as the substation ' s unit load cost

    本文通過線性化處理后將網架優化模型描述為一個最小費用最大流問題，虛擬一個源點和一個匯點，從源點到各變電站節點各引一條單向弧，弧容量為變電站允許的負荷值，弧費用為變電站單位負荷的費用。
  12. Firstly, the paper introduces the development and application of computer graphics & image technique, discusses the principle and method of cg and digital image processing, such as matrix of the graphic transformation, homogeneous reference frame, sampling and quantization of the image, file format of the image, template operation, etc. secondly the paper introduces the purpose and method of image enhancement processing, explains the each occasion of those methods such as threshold transformation, smoothing processing, sharpening processing, analyzes and contrasts the processing results of object image. thirdly, the paper introduces the method of mathematics morphologic, edge detection and thinning processing, attains character description of image and character dots of the contour. fourthly, the paper processes the coordinate transformation to character dots and basic splines fitting, imports correlative condition to devise meshing line and meshing track

    本文首先介紹了計算機圖形圖像技術的發展與應用情況，對計算機圖形學和數字圖像處理的一些基本理論和方法如圖形變換矩陣、齊次坐標系、圖像采樣和量化、圖像文件格式、模板操作等內容進行了討論：然後對圖像增強處理的目的和方法進行了介紹，對諸如閥值變換、平滑處理、銳化處理等方法的應用場合進行了說明，並對實物圖像的處理結果進行了分析與比較；接下來介紹了數學形態學方法、對增強后的圖像進行邊緣檢測的方法和圖像的特徵描述方法，並獲取輪廓的特徵點：隨后對獲取的特徵點進行坐標變換，並進行b樣條曲線擬合，引入相關條件生成齒輪副的嚙合線及嚙合軌跡：最後引入等值線和區域填充表示方法，並以等值線和區域填充的形式對弧齒錐齒輪嚙合模擬的載荷分佈情況進行了直觀的表示。
  13. The paper establishes a mathematic model that describes the relationship between the arc voltage, the recovery voltage and the arc shield voltage. lt makes a detailed theoretic analysis of the plasma changing laws between contacts and the arc shield gap arc in the arcing process and after - arcing recovery process. the model has achieved the same results as the experiment results

    建立了描述真空滅弧室的電弧電壓、恢復電壓與屏蔽罩電壓之間關系的數學模型，從理論上詳細分系了燃弧過程和弧后恢復過程中，真空滅弧室觸頭間隙和觸頭與屏蔽罩間隙電弧等離子體的變化規律，取得了與試驗結果一致的結論。
  14. By describing orbit curves with abundant forms with the basic orbits such as line, arc, cusp and " 8 " form, identification of orbit characteristics can be well solved and fundamental characteristic parameters of key orbit segments can be determined

    通過直線、圓弧、尖點、 " 8 "字形等基本軌跡特徵描述形狀豐富的軌跡曲線，不僅較好地解決了軌跡特徵識別問題，同時可以確定關鍵軌跡段的基本特徵參數。
  15. 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。
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