零截面 的英文怎麼說

中文拼音 [língjiémiàn]
零截面 英文
zero section
  • : Ⅰ數詞1 (零數) zero2 (數的空位) zero sign (0); nought 3 (表示沒有數量;無) nil; nought 4 (...
  • : 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. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體件同一兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。
  2. The relative momentum of two final particles and the cross section are zero at the threshold energy for an endothermic reaction, while the relative momentum of two initial particles is zero and the cross section at the threshold energy for an exothermic reaction is infinite

    在吸熱反應的閾能處,出射粒子的相對動量以及均為。在放熱反應的閾能處,入射粒子的相對動量為趨于無窮大。由於強子的動量僅提供如此低的質心系能量,強子物質中x 。
  3. Deadline for paper form application : may 30, 2007

    申請止日期為二七年五月三十日。
  4. At about 5. 30 pm on april 3, two motorised sampans loaded with cargoes were spotted manoeuvring near tuen tsui in sai kung. following a pursuit, one of the sampans with no person but 500 boxes of audio and visual equipment as well as computer parts worth some $ 2. 26 million on board was intercepted off shek ngau chau

    水警于本月三日下午約五時三十分西貢短咀附近發現兩艘載滿貨物的機動舢舨,經過一輪追,其中一艘舢舨在石牛洲對開海獲,船上載有五百箱總值約二百二十六萬元的影視器材及電腦件,但舢舨上並沒有人。
  5. The application of semantics is discussed as follows : the projection relation semantics leading to recognizing cylinder, the region semantics leading to recognizing linear sweeping, the free element semantics leading to recognizing the feature which the cylinder is cut by plane. last, a prototype system is developed according to the semantics model. the system can read dxf that contains 2d engineering drawing information and recognize the 3d feature

    接著,根據工程語義模型表述,詳細分析了各個類別、層次以及類別之間表達的工程語義的特點與內容,然後進行件的特徵分類,從特徵識別的角度探討了工程語義在圖樣理解的應用,並詳細討論了圓柱體、線性拉伸體、圓柱體的平切特徵從投影語義、連通域語義、游離圖元語義引導識別的應用過程。
  6. Through the study and analysis conclude as follows : in human dna sequences, if the distinction of the number of the four bases is very small, they can distribute in a sphere whose radius equal to 1 / 4 ; if the distinction of them is comparative large, they can distribute between the sphere and the frustum - octahedron ; if one is 0 in them, they can distribute between the frustum - octahedron and regular - octahedron ; if the distinction of them is especial large, they may distribute in the outer of the regular - octahedron

    通過研究和分析得到結論為:在人類dna序列中,如果四個堿基的數目相差很小時,它們可能分佈在半徑為1 / 4的球內;如果相差比較大時,它們可能分佈在這個球和角八體之間;如果在四個堿基數目中有一個為時,那麼它們有可能分佈在角八體和正八體之間;如果相差的特別大,甚至有可能落在那個正八體的外部。
  7. As a result, ( i ) let k ( x ) be the function assign to each point x of m the infinimum of the sectional curvatures of m at that ponit, if k ( x ) satisfies, then m is totally umbilical. ( ii ) let q ( x ) be the function assign to each point x of m the infinimum of the ricci curvatures of m at that ponit, if q ( x ) satisfies q > 1 / 4 ( n - 2 ) ( c + 4h2 ) - 1 / 4nc, then m is totally umbilical, ( iii ) let a be the square length of the second fundermental form, if satisfies, then m is totally umbilical

    ) )中具有非平行法平均曲率向量的緊致全實偽臍子流形m ~ n ,得到了( ? )如果m ~ n在其點x的曲率的下確界函數k ( x )滿足條件:則m ~ n是全臍的( ? )如果m ~ n在其點x的ricci曲率的下確界函數q ( x )滿足條件:則m ~ n是全臍的。 ( ? )如果m在m中的第二基本形式h長度的平方滿足條件:則m ~ n是全臍的。
  8. Demonstrates the interface displayed to a retail bank customer upon initiating the fund transfer

    所示的屏幕圖展示了啟動資金轉帳時顯示給售銀行客戶的界
  9. In the second part, we investigate the compact submanifolds m with the parallel isoperimetric section in the real space forms rm ( c ) and prove that if there exists a parallel isoperimetric section on m, and the sectional curvature of m is always greater than zero, then m is contained in a hyper - sphere ; and get that the gauss curvature of the compact surfaces m with constant mean curvature in constant curvature space r4 ( c ) is always greater than zero, then m is a totally geodesic surface or a sphere, where an isoperimetric on m means a unit normal vector field defined globally on m with m1 ( ) = constant

    ( 2 )研究了實空間形式r ~ m ( c )中具有平行等參的緊致子流形m ,證明了具有一平行等參的子流形m ,如果m的曲率恆正,則m包含在r ~ m ( c )的一個超球內;對于常曲率空間及r ~ 4 ( c )中具有常平均曲率的緊致曲m ,如果m的高斯曲率處處大於,則m或為r ~ m ( c )中的全測地曲或為一球。這里m上的等參是m上整體定義的單位法向量場,使得m關於它的平均曲率m _ 1 ( )是常數。
  10. Engineering drawing system can draw two dimension curve graphs, main detail drawing and assembly drawing. the curve of internal trajectory and dynamic simulation of particle external trajectory. the detail drawing includes the graph of chamber, grain design, connection body, nozzle, some standard part

    工程繪圖可以繪制二維曲線圖和部件圖,其中二維曲線包括有內彈道壓(推)力?時間曲線、質點外彈道動態模擬曲線;部件圖包括有標準螺栓與螺紋孔、燃燒室結構圖、裝藥設計圖、連接底結構圖、噴管結構圖及火箭發動機總體裝配圖。
  11. Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency

    Ds信號是經過高速偽隨機序列和正弦載波二次調制的寬帶信號,因此具有周期平穩特性,它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率信息特徵,在譜頻率等於載頻切片上包含了偽碼速率信息特徵;相頻特性在循環頻率等於兩倍載頻切片上包含了載波初相信息特徵。
  12. The results of the axial and transversal intensity distributions of gaussian beams and 0 - order bessel - gaussian beams show that the results by the optimized laguerre - gaussian truncated series are in good agreement with those by the fresnel diffraction integral method if the integration plane is not close to the aperture

    對高斯光束和階貝塞爾高斯光束的軸向和橫向光強分佈的計算結果表明:當積分不是很靠近光闌時,用參數最佳化選取的拉蓋爾高斯斷級數法與用直接數值積分所得結果符合很好。
  13. So it is necessary to reflect the inner reality physical field ' s numerical number analogy method to analysis and improve the magnetic field and the computing accuracy of the cable ' s eddy - current detection. T his affords helping for the researching of biased cable instrument in the future. first open domain electric magnetic problem ' s breaking method is done with, which supposing fictitious boundary far away from the region. second breaking the infinite region into the finite region and supposing the electric magnetic is too small to be ignored

    通過採用目前處理開域電磁場問題的斷法,人為地設定一個遠離待求區域的虛擬邊界,將無限區域斷為有限區域,且認為在該邊界外的電磁場已衰減得足夠小,小到可以忽略不計,從而令邊界上的電磁場場量為,在此有限區域內採用較為成熟的A , A法,並且併入庫侖規范建立數學模型。
  14. Sne expects to have 30 retail stores in the u. s. by april of 2006

    新力預計,至2006年4月,公司將在全美擁有30家售店
  15. Based on the posture of the assembly part and the translation of coordinates, a solution of building intersection line between the plane and the assembly part is discussed

    在分析坐標系轉換和部件位姿基礎上,研究了切環求取、切環拓撲樹建立、切平三角化等方法。
  16. Despite the pretty adverse market conditions that the group has to operate under during the first half of its current financial year, it still succeeded to record for the six months ended september 30, 2002 an unaudited consolidated turnover and profit attributable to shareholders of hk $ 388 million and hk $ 25 million respectively

    集團在至二二年九月三十日止六個月期間雖然市場對環境逆轉,業績表現依然保持平穩,未經審核營業額及股東應占溢利分別為3 . 88億港元及2 , 500萬港元。
  17. The load distributed by central piles under vertical load are higher than by others of the pile group ; 2. under higher vertical load, the foundation soil shows an obvious characteristic of plastic strengthening ; 3. the bearing capacity of pile group under vertical load is larger than the whole sum of bearing capacity of single piles in pile group ; 4. the position of the maximum or zero value of bending moment inpiles, the line shape of bending moment diagram and the value of bending moment of the same cross section of a pile under same load is different according to the lateral loading and the longitudinal loading ; 5

    在較大的豎向荷載作用下,土體出現明顯的塑性強化特徵; 3在豎向荷載作用下,群樁的承載力大於各基樁承載力之和; 4沿線路水平縱、橫向加載時,最大彎矩和彎矩的位置、彎矩變化曲線的形狀以及在相同荷載作用下各樁同一的彎矩值都有一定差異; 5
  18. Hong kong, march 26, 2003 - one of the world s largest laminates manufacturer, kingboard chemical holdings limited sehk : 148 today announces that for the nine months period to december 2002, the group had successfully brought both top and bottom lines back to growth

    全球最大覆銅板生產商之一建滔化工集團香港聯交所: 148今天公布,至二二年十二月止九個月內,集團成功令營業額及盈利重返增長軌道。
  19. The solution regards the original given interface ( original curve or interface ) as one zero set of function, transferring the some phenomena such as topology to lever set function in higher dimension, and getting moving interface of original interface at different time through resolving the level set function

    水平集方法是把最初給定的(原始曲線或)看作是某個函數集,把求解等距過程中發生的拓撲等現象轉移到高一維的水平集函數中去,通過求解該水平集函數以得到原始不同時刻的等距
  20. According to the rheological properties of melted abs filament during extrusion from fdm ' s nozzle, on the basis of research on extruded filament section shape, the compensation model of ideal contour line is established, and a new technique for compensating inner or outer contour line of workpiece is put forward, which should depend on the real width of extruded filament ( instead of nozzle radius ) and the real dimensional shrinkage of workpiece

    根據abs絲從噴頭擠出過程中的流變性能,在研究fdm工藝噴頭擠出絲形狀的基礎上,建立了理想輪廓線的補償模型,並提出了根據擠出絲實際寬度(而非噴嘴孔直徑)和件尺寸實際收縮量補償件內、外輪廓的新方法,驗證試驗結果表明該補償模型和補償方法正確可行。
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