弧式地 的英文怎麼說
中文拼音 [húshìde]
弧式地
英文
arcwise-
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點,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弧、橢圓弧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。Basing on the premise that the capability of the transmission and the technique are synthetically considered, three new kinds of gear pairs is given, that is, loxodromic normal circular - arc spiral bevel gears, geodetic normal circular - arc spiral bevel gear, and hyperbolic normal circular - arc gear
在綜合考慮傳動性與工藝性等要求的前提下,提出斜航式與測地式法向圓弧螺旋錐齒輪傳動、雙曲型法向圓弧齒輪傳動等兩類三種齒輪副的構思。On precambrian framework and evolution of the qinling belt
一種海溝向洋後退的殘余弧后盆地演化模式New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程,通過對諧振接地原理和單相接地故障的暫態、穩態分析,認識到接地故障對系統安全運行的危害,通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。The stratigraphic sequences and sedimentological characteristics indicate that the main body of the bayan har basin is composed of triassic flysch sediments deposited in a foreland basin during the triassic. in the study of jinshajiang orogenic belt, in the applying archipelago theory and particular anatomies to basin analysis in this orogeny, the model of jinshajiang archipelago mountain building and basin building is set up. the orogenic - sedimentology and sedimentary basin analysis system is printed archipelago paleogeography any more
在金沙江造山帶研究中,將多島弧盆理論應用於這個造山帶的沉積盆地分析研究中,對金沙江多島弧盆造山帶進行了詳細解剖,建立金沙江多島弧盆系造山造盆的模式,進一步發展造山帶沉積學和沉積盆地分析理論體系。The curved floodgate ' s opening measuring system adopts two - level structure, main control level and field level
弧形閘門開度測量系統採用分層分散式兩級結構,分為主控級和現地級兩層。It was found that the substrate floating potential changes a lot when the grounded state of arc source changed
在實驗過程中還發現弧源不同的接地方式對基片臺懸浮電位有很大的影響。With this grounding method, the inductance value of the peterson coil can be adjusted quickly and continuously in real time
採用這種接地方式,消弧線圈的電感量具有快速、連續可調節性。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。In order to obtain similar deposition condition, very different bias must be applied to the substrate when the grounding of the arc source is different. at last, carbon films were deposited and their properties were measured
分析了這種現象產生的原因以及不同接地方式對沉積薄膜的影響,即當弧源接地狀態不同時,要獲得相似的沉積條件,給基片臺施加的負偏壓應有所不同。In the link party of qinling - qiliang - kunlun belt, the polyarc - basin systemic characteristic is discussed with strengthen and standout study on the detail relationship analysis between the arc - basin. the bayan har basin thought to be the preexistence of the songpan - garze belt, is a back - arc basin among a series of polyarc - basin systems behind the qiangtang - taniantawong front the arc beginning in the late paleozoic. the eastern margin started as the western passive continental margin of the yangtze block ( d - t2 ), then changed into a foreland basin related to the north china block and the qiangtang block during the middle to late triassic
在秦祁昆侖結合部研究中,加強和突出了精細的島弧盆分析和造山作用關系的研究,探討了秦、祁、昆結合部多島弧盆特徵;通過巴顏喀拉地區沉積特徵,沉積體的空間展布和形態,面式物源供給方式,礦物成分和地球化學背景分析,其沉積盆地屬性總體上反映出一個從過渡地殼-洋殼基礎上發育起來的周緣前陸盆地的發展和演化過程。This important tectonic zone parallel to the isotopic geochemical steep zone, which represented a suture line between the yangtze and cathaysian blocks. the geochemical evidence of the jianshui volcanic rocks from the sw part of shizong - mile zone shows that their lithologic types are tholeiites with the comparative flat ree patterns and enrichment in th, depletion slightly in nb, ta, and flat hfse. thus, they may be formed in a back - arc basin with the characteristics between morb and island - a
該構造帶西南段的建水火山巖地球化學特徵研究表明,該火山巖為拉斑玄武巖,具有較平坦的稀土分配型式, th較富集, nb 、 ta輕微虧損,高場強元素分佈較平坦,具有介於島弧和morb之間的地球化學特徵,可能形成於弧后盆地環境。At last they have being formed the tectonic framework, after breakup of the volcanic island arcs, subduction, decline and fall of the back - arc basins and arc - microcontinent and arc - arc collision had finished
經過了長期而復雜的微大陸和火山弧的裂解、弧后盆地的消減衰亡及弧陸和弧弧碰撞等構造演化,才最終形成今天所見到的這種構造樣式。Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control
文摘:通過復合濾光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電弧區域圖像,重點論述了邊緣檢測理論,確定了基於中值濾波和梯度運算元的電弧區域圖像邊緣檢測方法,有效地區分了電弧燃燒區域和電弧氣泡區域,從而為水下濕法焊接電弧的機理分析及水下焊接過程式控制制奠定了基礎。The circular arc wiring duct also called it separates wiring duct / the insulation wiring duct / seal type wiring duct / arc the circular arc wiring duct / walk wiring duct
圓弧線槽也稱之為圓弧型隔線槽/絕緣線槽/密封式線槽/弧線槽/走地線槽。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。The designing of glass top with round - arc shape and falling type comes first one the list of hangzhou city
圓弧落地式的玻璃頂蓬設計在杭城首屈一指。In mode selection of middle and large capacity units nowadays, there mainly have two types of peterson coil grounding and distribution transformer with resistor
在現有大中型發電機中性點接地選擇上,主要有消弧線圈接地方式和接地變高阻接地方式。Results indicate that this teaching method which is called “ the small curving approach ” can make studenrts easing incline toward of the centre, and it will be helpful for beginner to understand well and learn the rhythm of approach, the take - off and the clear amcebar techniques, and to improve teaching effcient of fosbury flop
認為小弧線助跑可以使身體獲得較大的內傾,可幫助初學者較好地體會和掌握助跑的節奏與起跳過桿技術,從而有利於提高背越式跳高教學效果。From the results of simulation, it is found that the fault circuit selecting method proposed in this thesis is applicable to arcing grounded
最後,本文利用簡單的電弧模型討論了電弧接地方式對于本文演算法的影響。經算例模擬,本文的演算法可以適應電弧接地方式。分享友人