正平線 的英文怎麼說

中文拼音 [zhēngpíngxiàn]
正平線 英文
frontal line
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 線 : 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...
  1. Solar azimuth sum s azimuth

    太陽光線的水平投影與正南方向的夾角
  2. Trend is the direction of the horizontal projection of a line, measured clockwise from north.

    線傾向：它是直線水平投影的方向，自正北順時針度量。
  3. With the concavity and integrability of sublinear terms near zero, the symmetry results for a class of sublinear elliptic equations are given by making use of the moving - plane method

    本文利用次線性項在零點附近的凹性和可積性，用移動平面法給出了一類次線性橢圓方程正解的對稱性
  4. She passed over the constellation of the twins, and was now nearing the half-way point between the horizon and the zenith.

    這時候，它正在穿過雙子座，已經走到了地平線和天頂中間的地方。
  5. Analyse the klingelnberg amk855 gear milling machine. through analyse the transmission chain of the gear milling machine, analyse the transmitting principle and manufacture principle, introduce the two - - part cutter head, the process of formation of extended epicycloide and inaginary crown gear cutting principle ; overall introduce the formation of tooth face, deduce the calculation formulas of the main setting parameter of gear milling machine, and proving the correctness of the setting calculation formulas by the program of ‘ calculating of klingelnberg cyclo - palloid spiral bevel gear milling setting parameter ’

    通過剖析該機床的傳動鏈，分析了其運動原理和加工原理;介紹了雙層萬能刀盤、延伸外擺線的形成過程和假想平面產形輪切齒理論;全面介紹了齒面的形成方法，推導了銑齒機主要的調整參數的計算公式，並用「 klingelnberg擺線齒錐齒輪銑齒調整參數計算」的程序驗證了推導的公式的正確性。
  6. Directly facing the battery on the skyline of the opposite hill could be seen the village of schngraben ; to the left and to the right could be discerned in three places through the smoke of the camp - fires masses of the french troops, of which the greater number were undoubtedly in the village itself and behind the hill

    在對面山崗的地平線上，正好面對炮臺，可以望見申格拉本村，在離本村兩側不遠的地方，在法軍生起篝火的滾滾黑煙中已有三處可以分辨清一大批法軍，顯然大部分法軍都在本村和山後設營。
  7. Data collected from mengda power plant have been used to train the model. unlike normal direct - method / indirect - method of heat balance, this model computes the boiler efficiency and main parameters needed for control in the boiler ' s operation efficiently by taking the advantage of neural network ' s inherited powerful co - relating ability, memorizing ability and the ability of mapping with nonlinear variables

    此模型不同於傳統的鍋爐效率計算方法（正平衡或反平衡方法） ，而是通過人工神經網路本身具有的強大的聯想功能和記憶功能以及對于非線性變量的映射能力，來計算鍋爐效率和鍋爐運行中需要調節的一些主要參數。
  8. The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )

    演算法的思路是：首先，在小區域內運用霍夫變換確定直線的初始值；其次，以直線的初始值所對應的直線為中心線，建立一個矩形框；最後，利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂，從而達到進一步修正直線的坐標參數；本文基於特徵直線的光流場，即線流場，建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。
  9. I cannot tell what sentiment haunted the quite solitary churchyard, with its inscribed headstone ; its gate, its two trees, its low horizon, girdled by a broken wall, and its newly - risen crescent, attesting the hour of eventide

    我說不清一種什麼樣的情調彌漫在孤寂的墓地：刻有銘文的墓碑一扇大門兩棵樹低低的地平線破敗的圍墻。一彎初升的新月，表明時候正是黃昏。
  10. The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation

    使用擺線函數分別產生足的水平和垂直方向的運動軌跡，用修正擺線函數使其加速度進一步平滑、連續，對各關節的運動軌跡和關節驅動力矩進行了模擬。
  11. Finally, applying the current basis function of three - term sinusoidal expansion, the radiation characteristic and input impedance of the vertical and horizontal antennas above lossy ground are analyzed by the method of moments with the variation of frequency, height from the ground and ground parameters

    最後，用矩量法，採用正弦插值基函數，研究地面上方垂直、水平線天線的輻射特性和輸入阻抗隨著頻率、離地高度、地面參數等變化的情況。
  12. Be an ornament to the temple of rightness, a breath of life to the body of mankind, and ensign of the hosts of justice, a luminary above the horizon of virtue, a dew to the soil of the human heart, an ark on the ocean of knowledge, a sun in the heaven of bounty, a gem on the diadem of wisdom, a shining light in the firmament o thy generation, a fruit upon the tree of humility

    做正義殿堂的裝飾，做人類生命中的呼吸，做審判者的徽章，做美德地平線上的燈光，做人類心靈之土的露珠，做知識海洋上的方舟，做博大天堂的太陽，做智慧王冠上的寶石，做你的時代天空中明媚的陽光，做人類之樹的果實。
  13. For the predator - prey models with the bilinear functional response, we obtained the global asympotical stability of the positive equlibrium

    對于功能性反應為雙線性型的模型，我們得到了正平衡點的全局穩定性。
  14. Furthermore, model with three products, under the condition of equally probable contact, has globally stable positive equilibrium

    在使用者和非使用者等可能接觸的前提下，證明了三個產品的非線性接觸模型有一個全局穩定的正平衡點。
  15. The steamer soon disappeared, and in an hour afterwards, as the count had said, was scarcely distinguishable in the horizon amidst the fogs of the night

    汽船不久就開航了，一小時后，正如伯爵所說的，煙囪里冒出的白煙消失在地平線上，與夜霧融在一起，分辯不清。
  16. Since b. joseph pine. ii and jame h gilmore announce the coming of the ear of experience economy in harvard business review, experience economy is coming to us with great charm

    自從戰略地平線llp顧問公司的創始人帕恩二世和吉爾墨在《哈佛商業評論》中喊出「歡迎來到體驗經濟時代」 ，體驗經濟正以其巨大的魅力向我們走來。
  17. This algorithm is based on the texture feature of the characters on a license plate. firstly, the long horizontal lines with small change in gray level in a car image are removed. secondly, small areas are got rid of, then an analysis of the geometric features of the connected areas and the number of inner pixels and pixels on its edge is made, and with the help of the geometric features and the projected features of car license plate, the license plate area is found out

    提出了一種基於字元紋理特徵的汽車牌照自動定位演算法；該演算法結合牌照區字元的紋理特徵，首先將汽車圖像中灰度值變化平緩的長水平線去掉，之後將小的區域去除，然後對留下的連通區域的幾何特性、內部象素個數、邊緣象素個數等信息進行分析，結合牌照的幾何特徵和投影特徵，找出真正的牌照區域。
  18. For the analog low - gain displacement - type records, two horizontal - component records of a m7. 1 aftershock of tangshan earthquake, july 28, 1976, in tai ' an seismic station are used as the example to show the procedures of digitizing, arc - shape correction, baseline correction, equal - interval interpolation and instrument response correction. the reliability of the analog low - gain displacement - type records for long period study is also discussed. in order the database to have a better magnitude - distance distribution, a method to estimate the long period response spectrum values from earthquake magnitude definition is developed

    對于模擬式低放大倍數位移記錄，以泰安地震臺的513型中強地震儀所記錄的1976年7月28日唐山地震的7 . 1級餘震兩個水平分向的記錄圖為例，詳細說明了對記錄圖數字化、弧型校正、基線校正、等距插值、儀器響應校正等步驟，計算了周期t 10s的反應譜，分析了它們的可靠性。
  19. First, model for two products with nonlinear contact is considered. by using monotonicity and poincare - bendixson theory, the global stability of the unique positive equilibrium is proved

    首先考慮了兩個產品的非線性接觸模型，利用單調性和poincar - bendixson定理，我們證明了唯一正平衡點是全局穩定性的。
  20. By the theory of z transformation of linear system and matrix, we proved the validation of the averaging filter method using in ietd to cancel oscillation. then we illustrate the disadvantage of using averaging filter and give a new averaging filter that we note as phase - modified averaging filter, which can reduce the disadvantage. at the end of this chapter, we study the potent of reducing the time - cost of ietd by taking account the short duration characteristics of incident impulse

    本文第二章，首先簡述了時域積分方程遞推解法（ ietd ） ，然後推導了應用於旋轉對稱體的，能夠減少計算量的ietd方法，重點闡述並應用線性系統的z變換理論和矩陣理論研究了ietd方法中遇到的穩定性問題，從理論上證明了平滑濾波技術的有效性，指出了它對計算精度的影響，並在分析的基礎上提出了新的相位修正平滑濾波方法。
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