點弧 的英文怎麼說

中文拼音 [diǎn]
點弧 英文
arc ignition
  • : 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「、」)...
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. Ablation performance and mechanism of 3d c c composites

    復合材料的電燒蝕及機理分析
  2. The indegree of a vertex v in d is the number of arcs with head.

    VD中頂V的入度是指以V為頭的的數目。
  3. We have been closely cooperated with beijing institute of technology, one of the most prestigious university in china, and co - developed ion vacuum plating technique, multi - arc tin coating technique and twin - eccentric automatic fuel supply advancer in the recent years successively, and acquired many patents. the sag and scda series fuel supply advancer manufactured in one of our branch company : has adopted the advanced twin - eccentric blocks structure, thoroughly changed the traditional structurearc block, sliding block. the angle of advance is very accurate and precise, also perfect at position resume

    由本總公司提前器廠生產的sag scdm兩大系列供油角度自動提前器,改變了目前提前器市場上的傳統結構,用先進的雙偏心式結構,代替了二十年一貫制的形塊滑塊式結構,具有提前角特別靈敏,恢復性好,怠速運轉無噪音等優,克服了提前器擺動大漏油等常見缺陷。
  4. The most general color is red, yellow and white, decorative pattern has grain of bowstring grain, belt, big dot grain, curve grain and anise star grain

    最普遍的顏色是紅色、黃色和白色,花紋有弦紋、帶紋、大圓紋,線紋和八角星紋等。
  5. Industrial limited company of electrical machinery of branch water makes the arc arc welding generator of three - phase direct current professionally, exempting and is shocked by electricity the dangerous advantage, stop the worker fitting the accident and happenning, 200 to 600 amperes are complete in specifications

    清水電機工業有限公司專業製造三相直流電電焊機,擁有免遭受電擊危險優,杜絕工安事故發生, 250至600安培規格齊全。
  6. They not only inherit the advantages of bezier curves and b - spline curves, also can be used to represent straight lines precisely and some remarkable transcendental curves precisely, such as circular arc, ellipse, cardioids and twisted pair line etc. especially, the uniform t - b - spline curve of three degrees is smoother than b - spline curve and c - b - spline curve of the same order

    此外由於它們還具有三角函數的優,故既可以精確表示直線段、二次多項式曲線段又可以精確表示圓、橢圓等二次曲線以及心臟線、雙紐線等超越曲線。特別地, 3次均勻t - b樣條曲線曲面比同階均勻b樣條( c - b樣條)曲線曲面具有更高的光滑度。
  7. 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,建立了通過逼近圓圓心的直線方程和圓心坐標計算公式.按這種方法用圓逼近平面參數曲線,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計算過程
  8. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取拉伸方向和旋轉軸線,然後將數據投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵的分割,以直線和圓段擬合出草圖輪廓。
  9. Otherwise, i scheme out the interpolation arithmetic of discretional line and arc on base of the method of ameliorated smallest wrap. in the same way, it has many advantages, too

    另外,利用改進的最小偏差法,還給出了任意直線和任意圓的插補演算法,同樣具有以上所述的優
  10. 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的圖,在此基礎上進行故障的定位、隔離和恢復處理。
  11. 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、將饋線當作,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。
  12. Perfect harmony goes between curve shaped design and panels

    :圓的設計與門板完美搭配
  13. Histopathology of epinephelus akaara injected with the extracellular products from vibrio alginolyticus

    溶藻菌胞外產物注射赤石斑魚后的組織病理學觀察
  14. 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,並首次提出了以vor / dme為基準的封閉圓進近程序;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。
  15. 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形裂紋三種情況的脈沖超聲波散射進行了重研究。
  16. The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method , which uses the adjacency matrix of distribution network and the information matrix of

    變結構耗散網路是一種新的配電網自動化演算法,由配電網開關頂負荷求負荷和耦合頂負荷的點弧變換是整個演算法中確定配電網饋線故障區域的基礎,而進行點弧變換的關鍵就在於分離耦合區域。
  17. Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration

    本論文基於變結構耗散網路理論,詳細討論了基形變換、形基變換、點弧變換、變換、過熱搜尋、負荷分配、負荷均衡化以及優化恢復非故障停電區域供電等一系列與饋線自動化功能相關的處理演算法。
  18. 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、面、復合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。
  19. The algorithm makes use of the node - arc structure of graph and depth - first - search, have realized the retrieval of optimum path in virtual navigation

    該演算法以圖的節?段結構結合深度優先搜索實現了自動游覽中最優路徑的檢索。
  20. No - fulcrum & cambered designation, shady flexible strip made from high - carbon steel, makes the brusher never drums from windshield. it will ensure you a safety driving

    1先進的無支點弧形雨刷設計,隱藏式的高碳鋼彈性壓條:使雨刷完全服貼於前擋玻璃上不跳動,給您最佳的雨中行車安全保障。
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