symmetry axis 中文意思是什麼
symmetry axis
解釋
對稱軸-
Thirdly, while analyzing composite materials shell structure, the structural pre - flection nonlinear equation and engenfunction for resolving flection load are separately simplified in the axis symmetry shell ' s flection finite element analysis
本文在分析復合材料殼體結構時，軸對稱殼體的屈曲有限元分析對結構前屈曲非線性方程及屈曲載荷求解中的特徵方程分別作了簡化。 -
Most of the germinal apertures were 3 couples, distributed symmetrically at the three sides by the axis of symmetry of the tetrahedron
萌發孔溝的長度、寬度、孔蓋長寬與形狀、突起的程度等，在個體間有差異。 -
Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed
基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。 -
Geophysicists had already cognizance of that the pervasive velocity anisotropy with varying degree in the mantle or the sedimentary rock of upper crust is an important physical property. almost all existed research works fasten on those transversely isotropic media with vertical or horizontal axis of symmetry ( ti ).,
地球物理學者已認識到從地幔到地殼上部的沉積巖存在著不同程度的各向異性，且對具有垂直或水平對稱軸的橫向各向同性介質（ ti ）有很多的研究。 -
By the help of geometric significance of plane or space curve and space surface, and by use of the symmetry of curve and surface to coordinate axis and coordinate surface, how to use the symmetry to calculate the surface integral and curve integral is discussed for the odd ( even ) functions that are defined on the curve or surface with symmetry
摘要藉助于（平面）空間曲線及空間曲面的直觀幾何意義，利用曲線、曲面關于坐標軸及坐標面的對稱性，探討了對于定義在具有對稱性的曲線、曲面上的奇（偶）函數，如何利用對稱性計算曲線積分及曲面積分。 -
Analysis of flexural vibration on circular ring of axis symmetry
一類軸對稱圓環的彎曲振動分析 -
The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles
得出按權重函數分佈規律的傳感器，在流速非中心軸對稱分佈時，感應電勢僅與平均流速呈正比，而與流速分佈無關的結論，從而從原理上解決電磁流量計了高精度測量的問題。 -
When a solid region in three - space has an axis of symmetry, the evaluation of triple integrals overis often facilitated by using cylindrical coordinates
當空間立體區域有一個對稱軸時，計算上的三重積分通常使用柱坐標比較容易 -
The work theories of electromagnetic brake and its existing problems are analysed. a kind of new non - axis - symmetry electromagnet structure is also described in the text
摘要分析了電磁製動器的工作原理，以及其存在的問題，提出了一種新型非軸對稱電磁體結構。 -
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。 -
The member bearing compression in the truss could be regard as a battened column with the single axis of symmetry
這種角鋼桁架中的受壓件在結構上是一個單軸對稱綴板柱。 -
Moreover, with the datum come from calculation and test, it seams that after the number of batten floor n > 3 the change of b effected by n is too weak to be ignored. hence, that indicates it is available that the laterlly buckle of the batten column with the single axis of symmetry could be calculated with b worked out from h - shaped anglicizing element without n
此外，由電算和實驗分析可見，值在綴板層數n 3以後，其變化受n值的影響不大，這說明用h計算單元導出的與綴板層數無關的值計算公式是可以用於單軸對稱綴板柱的側向屈的計算。 -
On the assumption of ignoring the distortion of thickness, this paper determines the rough shape by the geometric modeling method of equal area developing using mixed mesh cell of triangle and quadrangle for the first time, presents the equal area developing arithmetic of quadrangle - triangle. on the virtual geometric symmetry axis, we puts forward the method of determining the developed coordinate of the point on the base band in the development of using regular quadrangle cell, determines the developed shape of internal structure in plane utilizing point - to - point mapping theory. furthermore, we realize the approximate developing of undeveloped - irregular boundary surface using a few triangle cells
本文結合型號研製中小曲率機翼整體壁板類零件坯料展開課題，基於板料厚向變形忽略不計的先驗假設，首創混合四邊形-三角形網格等面積展開的幾何模擬法確定壁板類零件毛坯外形，給出了混合四邊形-三角形網格等面積展開演算法；提出了虛擬分割線的概念，採用虛擬幾何對稱軸，給出了規整四邊形單元展開基帶上結點的計算方法；採用映射原理和求交演算法確定了壁板內部結構信息的展開定位。 -
Axis of binary symmetry
二次對稱軸 -
Then according to the mrf machine ’ s structure and motion mode, the function and assignment of mrf machine cnc system are analyzed. the design and implementation of cnc system are researched, and a set of pc - based open architecture cnc system is developed. a trace interpolated algorithm of mrf machine cnc system is advanced according to the characteristic of mrf. the symmetry axis curve surface, such as aspheric surface, which is fit for optics general equation can be machined with mrf machine by using this interpolated algorithm
然後根據磁流變拋光機床的結構和運動方式，從工程實際應用出發，分析了磁流變拋光機床數控系統的功能和任務，研製了一套基於pc的具有開放式體系結構的數控系統，同時針對磁流變拋光的特點，提出了磁流變拋光數控系統的軌跡控制插補演算法，運用該演算法可對非球面等適用於光學通用方程表示的回轉對稱曲面進行磁流變拋光加工。 -
The important thing to know that it has an axis of symmetry ? the optical axis
重點是知道主鏡有一個對稱軸? ?光軸。 -
In contrast to the existing methods which can detect one type of symmetry, the advantage of the algorithms is that it can detect both type and axis of symmetry
實現了物體對稱類型的判別和對稱軸的確定。這種方法克服了現有方法只能驗證一種對稱類型的缺點，即使缺失部分信息也能檢測出對稱性。 -
Error : master node 26 instance firstone is not on the axis of symmetry
可是我的26節點明明就在對稱軸上啊！ -
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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