線向面 的英文怎麼說

中文拼音 [xiànxiàngmiàn]
線向面 英文
diatropic plane
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. With the progress of technology and developing of internet economy in the world, the broadband network becomes another hotspot in internet field when the foam of. com comes to almost nil. with the beginning of new thousand year, hot waves of the broad band surge throughout the country, sorts of investors come and make huge expenses in a constinuous stream to make a majority of marketing lot and lead up the position of broad band market. however, when the net circuity, which is based on huge numbers of cash, is facing the consumers, market really does not redound upon the investors inexpection

    隨著技術的進步和網際網路經濟在全球范圍內的高速發展,寬帶網是繼? com "泡沫"破滅后網際網路產業的又一熱點。新千年開始,全國各地各類投資商紛紛拆巨資"跑馬圈地" ,以期在市場份額上搶占寬帶網市場領先地位,但是當這些"巨額現金'堆成'的網路用戶時,市場並沒有給投資商們預期的回報,寬帶網運營商不僅投資回收遙遙無期,還要繼續燒掉大量的現金去維持網路的正常運行,大批中小型寬帶網運營商苦苦支撐,有的甚至瀕臨破產。
  2. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平阿基米德螺旋天,平等角螺旋天,軸模圓柱螺旋天,具有固定升角的圓錐螺旋天和圓錐等角螺旋天為例,用矩量法求解了天上的電流分佈,研究了螺旋天輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  3. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    採用isa內部總;介主要有模擬量輸入介、模擬量輸出介、開關量輸入輸出介等,課題分別選用pc - 6330d型a d板卡、基於isa總的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題選用了微動式行程開關、壓力變送器作為傳感元件檢測系統,選用繼電器、電磁控制換閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。
  4. 1 farin g. curves and surfaces for cagd - a pratical guide. 5th edition, morgan kaufmann publishers, 2002

    我們綜合利用廣義特徵量擬合和距離函數,給出一種動態隱式曲重構的初值指定方法。
  5. The mesial is the surfaces of the tooth that faces toward the front or midline of the mouth

    近中是一個牙齒口腔的前方或中
  6. On the basis of the feature of paleostructure, paleogeography and lake level fluctuation in chang - 6 to chang - 8 oil - bearing layers, this text researchs paleogeographic feature and evolution. chang - 8 stages are the early days of lake basin outspread, chang - 7 stages are steadies stage of lake basin outspread, chang - 6 stages are shrinkage of lake basin, the lake level slowly droping, lake strandline moving eastward

    根據古構造、古地理、湖平升降等特點研究了長_ 6 ?長_ 8期巖相地理特點及其演化,長_ 8期是湖盆擴大的初期;長_ 7期為湖盆擴大階段中穩定期;長_ 6期為湖盆擴大階段中開始萎縮,湖平繼續緩慢下降,湖岸東遷移。
  7. The cheeks should be relatively flat and not bulge ( cheekiness ), maintaining the clean lines of the skull and should taper into the muzzle in a slight, graceful curve

    頰相對平坦,不能凸出(厚臉皮) ,維持腦袋簡潔的輪廓口吻方略略變窄,呈優美的錐形。
  8. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發,深入研究和討論了通用串列總usb規范及工作原理,並依據usb1 . 1規范,採用usb介晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總及其控制固件,實現了通用計算機與測試設備之間基於usb總的通信功能;其次,在所開發的usb總的基礎上,使用微處理器pic16c62和多路繼電器開關,設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件;再次,採用vb語言編程,調用windows內部api函數,與選定hid類驅動程序進行通信,實現usb總測試儀器功能,完成測試的上層軟體開發;最後,在深入研究印刷電路板測試方法的基礎上,利用已開發的多路通道掃描器和測試軟體,結合必要測試儀器組建印刷電路板測試系統,並對測試結果進行了簡要的誤差分析。
  9. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流進行了深入研究和分析,並對系統中的數據流進行了完整的歸納和總結,給出了x數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂移、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相移的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  10. “ [ the scales ] prevent the fluorescent light from being trapped inside the scales and from being emitted sideways, ” said pete vukusic of exeter university, a researcher in the study

    對此,研究人員之一的埃克賽特大學專家皮特表示: 「 (這些鱗狀物)可以防止熒光光在鱗狀物內部被截留,同時也能防止光發散出去。 」
  11. Exemoo has developed a reputation for excellence in every area of industrial furnace design, construction, and installation. each job whether a small re - brick or the design and construction of a completely new system is individually tailored to the customers specific needs. our engineers are involved in every step of the process and our crews are specially trained to inspect all jobs to ensure the highest level of quality control. exemoo has worked with our french joint venture partner to bring their advanced technology to the products made in our china facility. these products include : double chamber gas or oil quenching vacuum furnace, low pressure vacuum nitriding furnace, high pressure sintering furnace, etc. we have gained iso9001 accreditation with registration number 0205q15647r0s

    易西姆公司在吸收法國技術基礎上,在中國實現國際先進的不同類型的真空爐設計與製造,以中國客戶提供性價比優性能可靠的各種真空爐,並且致力於各種真空爐的銷售設計生產新工藝與新技術的研發,以及自動化生產設備與工程的總成,在低壓真空滲碳爐真空高壓氣淬爐真空壓力燒結爐,低壓真空滲氮爐,以及真空爐自動化生產,在國內乃至國際上都處于領先地位。
  12. This paper discussed the coordinate transformation method of wgs84 coordinate system to 1954 - beijing gauss grid coordinate. introduced transformation model of wgs84 to beijing 54 and computing method of transformation parameter. according to different model and computing method, computed and compared with the result combine real data

    本文詳細討論了wgs84大地坐標轉換到北京54坐標系下的高斯平坐標的方法,重點介紹了wgs84和北京54的空間直角坐標的轉換模型及轉換參數的計算方法,並根據不同的模型和計算方法結合實際數據進行計算和結果的比較,認為採用基量求解的四參數模型具有較高的轉換精度,分區變換和提高控制點精度也能提高轉換的精度。
  13. In the framework, a control mesh may be arbitrary one - dimensional or two - dimensional orientated topological manifold, and the curve or surface is defined on differential manifold homeomorphic to the control mesh with a potential function as its basis functions. this method is an extension of nurbs, which efficiently overcomes the limitations of nurbs

    廣義有理參數曲定義在與控制網格拓撲同胚的微分流形上,以高度一般的勢函數為基函數,其控制網格可以是任意的一維拓撲流形和二維可定拓撲流形。
  14. Because while you may see back four holding a more or less curved line ( with dl / dr pushing forward a bit ), you are not going to see 4 midfielders drawing a straight ( or even slightly ) curved line - what you will see is a holding midfielder ( if a team plays one ) dropping back slightly ( but he will nevertheless venture forward when needed ) and an attacking midfield falling just behind the strikers ( but again, he will nevertheless track back - with good teamwork attribute - even further back than dmc if required )

    因為你可能見過四名后衛保持一條略微彎曲的( dl / dr稍微前一點) ,你肯定沒見過四名中場保持一條直(甚至輕微)曲你見到的是一名控球中場(如果球隊有)略微拖在後(但他在需要時也會冒險前插)和一名共計中場緊跟在鋒(同樣,他也會回拉防守如果他有好的團隊屬性,需要時甚至回拉到dmc身後) 。
  15. During the design of vxi - bus serial controller module, the functions of vxi - bus including time - sequence for vxi interface, resource management, interrupt process, bus arbitration, are accomplished. to advance the performance and stability, the fpga technic is used to implement the kerneled code including serial bus time - sequence switching to vxi interface time - sequence, the uart, the parameterized baud generator and “ pipeling frame ”. the handle type of data transfer bus for vxi - bus is researched thoroughly, and the format of serial data transfer is designed

    在vxi總串列控制器設計中,實現了vxi總控制器的基本功能,包括vxi總時序、總仲裁、超時處理等;同時利用先進的fpga技術實現了串列總時序vxi總時序的轉換、通用異步收發器( uart ) 、參數化波特率發生器、流水結構等功能模塊;在設計中還深入研究了vxi總數據傳輸的各種操作類型,制定了串列數據傳輸的編碼格式。
  16. First bounding string is not planar. second bounding string is not planar. string to trim is not planar

    如果矢量方選擇步驟下的「曲」選項被選來定義修剪視圖,且相應的串不是平的,則會出現以下出錯消息。
  17. First bounding string plane and string to trim plane is not equal. second bounding string plane and string to trim plane is not equal

    如果矢量方選擇步驟下的「曲」選項被選中,且由串定義的平不是等同的,則會出現以下出錯消息。
  18. In this paper global joint planning for middle and low voltage network is considered. both line arrangement and cross section and transformer arrangement and rate are considered. it is a non - line combined optimum problem more complex than single network planning

    本文從整體的角度考慮中壓和低壓配電網路的聯合規劃,不僅考慮了路走和導大小,而且考慮了變壓器的布置位置和容量,這是一個比單純的網架規劃更復雜的非性組合優化問題。
  19. The author ' s work gives new way, which is beneficial to real time interaction and can efficiently reduce computing time as well as data storage amount. these algorithms can find good use in numerical machining, robotics, form - position tolerance and computer graphics. ( 3 ) degree reduction for nurbs curves and surfaces by applying the theory of the best uniform approximation of chebyshev polynomials and the explicit matrix representation of nurbs curves, this thesis centers on the research of the explicit nearly best approximation of multi - degree reduction of nurbs curves

    以上關于等距曲的幾何逼近與代數逼近的演算法改革了當前國際圖形界只能對基曲沿法矢方平移定距離的點作近似逼近的固定模式,創造了利於交互操作,能有效地減少計算量及數據存儲量的新方法,可在數控加工、浙江大學碩士學位論文機器人、形位公差學、計算機圖形學中獲得很好的應用( 3 ) nurbs曲降階應用nurbs曲的顯式矩陣表示及chebyshev多項式逼近理論,以實現nurbs曲顯式一次性降多階的近似最佳逼近為目標進行了研究
  20. At callyan they reached the junction of the branch line which descends towards southeastern india by kandallah and pounah ; and, passing pauwell, they entered the defiles of the mountains, with their basalt bases, and their summits crowned with thick and verdant forests

    在卡連,火車撇開了右通往坎達拉哈和浦那東南延伸的鐵路支波威爾駛去。從這里開始,火車便穿行在縱橫綿直的高止山脈里。
分享友人