線對稱 的英文怎麼說

中文拼音 [xiànduìchèn]
線對稱 英文
line symmetry
  • 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...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 稱 : 稱動詞（適合; 相當） fit; match; suit
  1. Adsl splitterless asymmetric digital subscriber line transceivers

    無分隔不對稱數字用戶線路
  2. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分，主要研究了線性互補問題的幾個相關的公開問題以及猜想： （ 1 ）研究了murthy等在[ 2 ]中提出的公開問題，即對任意的矩陣a ，其擴充矩陣是否為q _ 0 -矩陣，給出了肯定的回答，得到充分矩陣的擴充矩陣是充分矩陣，並討論了graves演算法，證明了若a是雙對稱的p _ 0 -矩陣時， lcp （ q ， a ）可由graves演算法給出； （ 2 ）研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想，給出了半正定矩陣的一些充分條件，並研究了pang ~ -猜想，得到了只r _ 0 -矩陣與q -矩陣的二個等價條件，以及e _ 0 q -矩陣的一些性質； （ 3 ）研究了danao在[ 25 ]中提出的danao猜想，即，若a為p _ 0 -矩陣，則，我們給出了反例證明了此猜想當n 4時不成立，指出了murthy等在[ 20 ]中的一些錯誤，得到n = 2 ， 3時，即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
  3. Natural diamond die is one the best for the drawing of precision wires. the diamond is selected meticulously to be complete grains with good. symmetry free from any foreign substances. it is prepared with advanced powdermetallurgicaltechnology that makes the diamond with the strongest strength and antiknock property during the processes

    天然金剛石拉絲模對于各種精密線材的拉制是最好的模具之一，採用的天然金剛石是經過精心挑選的，必須是顆粒完整對稱性好，沒有雜質，又採用先進的粉末冶金技術鑲套從而使金剛石在拉拔過程中獲得最大的強度和抗爆裂能力。
  4. Jiangpai natural diamond die is one the best for the drawing of precision wires. the diamond is selected meticulously to be complete grains with good symmetry free from any foreign substances. it is prepared with advanced powder metallurgical technology that makes the diamond with the strongest strength and antiknock property during the processes

    江牌天然金剛石拉絲模對于各種精密線材的拉制是最好的模具之一，採用的天然金剛石是經過精心挑選的，必須是顆粒完整對稱性好，沒有雜質，又採用先進的粉末冶金技術鑲套從而使金剛石在拉拔過程中獲得最大的強度和抗爆裂能力。
  5. Here he inaugurated the spectral theory of bilinear symmetric forms.

    在這里他開創了雙線性對稱形式的光譜理論。
  6. Each plane passes through the n atom and one of the h atoms, and bisects the line connecting the other two h atoms.

    每一個對稱面都通過N原子和一個H原子，且平分其他二個H原子連線。
  7. Each plane passes through the n atom and one of the h atoms, and bisects the line connecting the other two h atoms

    每一個對稱面都通過n原子和一個h原子，且平分其他二個h原子連線。
  8. A. douady had suggested to study dynamics of biquadratic polynomials. by definition, a biquadratic polynomial is the composition of two quadratic polynomials, so it is an even quartic polynomials which can be written as f ( z ) = z4 + az2 + 6, where a, b are parameters. it is easy to see that / has a critical point at 0 and two symmetric critical points at

    A . douadv曾建議對雙二次多項式的動力系統進行研究，所謂雙二次多項式就是兩個二次多項式的復合，也即偶四次多項式，在一個線型共軛下可以記為fz ） = z ~ 4 + z ~ 2 + b ，這里o ， b是參數，點0是它的一個臨界點，另外還有兩個對稱的臨界點（ （ - a ） 、 2 ） ~ 2 。
  9. Her delicately formed ears, her vermillion hands, her little feet, curved and tender as the lotus - bud, glitter with the brilliancy of the loveliest pearls of ceylon, the most dazzling diamonds of golconda

    在她那曲線對稱小巧玲瓏的雙耳上，在她那紅潤的雙手上，在她那一雙象兩朵青蓮一樣豐滿而又柔軟的小腳上，
  10. In this thesis, our work is focused on analyzing the effects of mutual coupling between elements of the thin dipole antenna array. the effects of mutual coupling on the antennas pattern synthesis and the amplitude - phase consistency of the input impedance of the uniformly - space liner array are presented. a new method that used the mutual coupling to synthesize the pattern is been given

    本文就是以此為出發點，將半波長細線對稱振子線天線陣作為研究對象，以分析天線陣列的互耦影響為核心，討論互耦對幾種方向圖綜合技術的影響，並從兩種不同的角度提出了對陣元互耦的校正方法。
  11. Making use of the propagation property of the electromagnetic wave, the authors made a further discussion on the directional characteristics of the radiation electromagnetic waves from elements antenna, symmetric whip and antenna array, and analysed the effects of various factors on the directional characteristics

    摘要利用電磁波的傳播特點，對元天線、對稱振子及其天線陣輻射電磁波的方向性做進一步的探討，並分析各因素對其輻射方向性的影響。
  12. Abstract : making use of the propagation property of the electomagnetic wave, the authors made a further discussion on the directional characteristics of the radiation elecromagnetic waves from elements antenna, symmetric whip and antenna array, and analysed the effects of various factors on the directional characteristics

    文摘:利用電磁波的傳播特點，對元天線、對稱振子及其天線陣輻射電磁波的方向性做進一步的探討，並分析各因素對其輻射方向性的影響。
  13. Finally, we put forward a method to compensate the amplitude and phase of the input. mom is an effective method to analysis the thin dipole

    論文的主要工作:矩量法是一種分析細線對稱振子天線準確而有效的方法。
  14. A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented

    摘要通過數值計算發現：將拋物線繞通過焦點的非拋物線對稱軸旋轉而形成的賦形拋物面天線可產生環狀的方向圖主瓣（此主瓣指的是主瓣最大值處） 。
  15. So at first the on the base of the deep study on method of moments, this dissertation analyses the problem of the mutual coupling of the thin dipole antenna arrays

    所以本文首先運用矩量法對細線對稱振子陣中陣元互耦效應進行了分析和計算。
  16. This fine oriental complex adopts a symmetrical design with its buildings sprawling along a central axis, complete with colonnades, two wings and a tower at the apex. the three gorges of the yangzi river

    它採用中軸線對稱的傳統建築形式，以柱廊和雙翼相配，塔樓收尾，立面比例勻稱，是一個精美奇巧的東方建築。
  17. Because of phase information ' s stability and significance, this method is fairly robust, that is, it is invariant to illumination, contrast, and rotation. it can detect mirror symmetry, rotating symmetry and curve symmetry simultaneously. and it does n ' t need any preprocessing, such as segmentation

    由於相位信息的穩定性和重要性，該方法具有很強的魯棒性，不受圖像亮度、對比度和旋轉的影響；它能同時檢測鏡像對稱性、旋轉對稱性和曲線對稱性，不需要圖像分割等任何預處理。
  18. When need to install two respiration valves, the two valves should be symmetrical distributed with the center line of the tank

    當需要安裝兩個呼吸閥時兩閥應以罐中心線對稱分佈。
  19. Handle is not symmetrical about stem centerline. dimension shown represents the longest operational radius

    手柄並不是關于中心線對稱。表中的尺寸表示最大操作半徑。
  20. The distribution of streak width along the lateral direction shows that the width attains its maximum value at the central line and becomes narrower toward the side wall, and its distribution is symmetrical about the central line of the flume

    低速帶寬度在水槽中心位置最大，往兩邊的邊壁逐漸減小，而且在橫向上相對於水槽中心線對稱分佈。低速帶間距與寬度的比值約為2 0 。
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