symmetry center 中文意思是什麼

symmetry center 解釋
對稱中心
  • symmetry : n. 對稱；勻稱；調和；勻稱美。 bilateral symmetry 左右對稱。 radial symmetry 輻射對稱。
  • center : n vt vi 〈美國〉＝centre n 1 中心；中心點；圓心；中央；中樞，核心；中心人物；根源，起源。2 〈常C ...
  1. A center of symmetry must coincide with the center of mass.

    對稱中心必須與質量中心重合。
  2. The same holds true for any molecule with a center of symmetry.

    對任何有對稱中心的分子同樣是對的。
  3. This effectively mirrors the linked duplicate with respect to the object ' s center, hence the importance of keeping the center on the plane of symmetry

    這實際上是相對于該對象的中心鏡象連接復制，從而維持以對稱面為中心的重要性。
  4. For bilateral symmetry objects, the techniques on symmetry - point detection and symmetry - axis extraction are presented based on harmonic conjugation relationship. for rotated symmetry objects, the techniques on rotated units description and rotated symmetry center extraction are presented based on center invariants of objects. further more, by using 3d invariants and 2d projective transformation, an approach to recover shape from part symmetry objects is realized on some conditions

    （ 3 ）深入分析了2d對稱性目標透視成像的幾何特點，將共點四線交比用於目標輪廓上的關鍵點的特性描述中；利用調和共軛關系，提出了一種針對左右對稱型目標的對稱點檢測和對稱軸提取的演算法；利用交比關系構造了目標的形心不變量，提出了一種針對旋轉對稱型目標的旋轉對稱單元判定、旋轉中心提取的演算法；進一步利用3d不變量和2d射影變換，實現了一定條件下的對稱性目標的形狀恢復技術。
  5. Inherently chiral calixarenes denote calixarenes whose chirality is based on the absence of a planar symmetry or an inversion center in the molecules as a whole through the desymmetric array of several achiral groups upon the three - dimensional calix - skeletons

    固有手性杯芳烴是指在杯芳烴三維骨架上引入數個非手性基團使之不再具有對稱面或反轉中心而呈現出整體手性。
  6. Symmetry of physical measure in center of mass system

    質心系中物理量的對稱性
  7. The displacement history curves of different points in the symmetry center line of windshield glass and the strain history curves of many points on the surface of windshield glass are obtained

    對國產和進口兩種風擋玻璃進行了鳥撞實驗。實驗中得到風擋玻璃對稱中心線上多點位移時間曲線及風擋玻璃表面的應變時間曲線。
  8. For push - pull compounds, many researches have indicate that, organic conjugated molecule tpa cross section relate to not only molecule length, center property, substitutions strength but also substitutions " symmetry, molecule dimension and so on

    對于有中心鏈的推拉型分子，已有的研究結果表明：有機共軛分子雙光子吸收截面的大小與碩士學位論文中文摘要分子長度、 。中心環分的特性、官能團的供吸電子能力以及官能團對稱性、分子的維度等諸多因素有關。
  9. In addition, the center of the gravity of the radiation field and the symmetry are discussed along with the propagation axis

    證明了hchg光束在傳輸過程中的重心和對稱性都會得到保持。
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