球面半徑 的英文怎麼說
中文拼音 [qiúmiànbànjìng]
球面半徑
英文
spheric radius- 球 : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
- 面 : 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...
- 半 : Ⅰ數詞1 (二分之一) half 2 (在 中間的) in the middle; halfway 3 (比喻很少) very little; the l...
- 徑 : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
- 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
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When the secondary wave is just starting at e, that from c will have formed a hemisphere of radius cg.
當E處的次波剛開始發出時,從C發出的次波已形成一個半徑為CG的半球面。As it is impossible to machine the helicoid gear surface with large module and a few teeth by gear generating, a four - axis milling was developed in this paper
摘要針對大模數少齒數螺旋齒輪的加工特點,結合漸開線和擺線的性質,利用微分幾何工具計算出該類曲面的法矢,作為選取球頭銑刀半徑的依據。Concave reflecting surfaces of spherical cap, paraboloid and hyperboloid of revolution are investigated with regard to the dependence of the levitation force on the section radius rb and curvature radius r ( or depth d ) of the reflector
針對球面、旋轉拋物面和旋轉雙曲面三種形狀的凹面反射端,系統研究了懸浮力與反射端截面半徑r _ b和曲率半徑r (或深度d )之間的本徵關系。The number of colors on the boundary determines the size of the interior ( the radius of the escher - like sphere )
四維反德西特時空內部的大小(即前面提過像艾雪圖中球的半徑) ,取決于邊界上粒子理論中色荷的數目。1986, 18 : 301 - 307. 6 hoffmann c, hopcroft j. the potential method for blendingsurfaces and corners. in geometric modeling : algorithms and new trends, farin g ed.,
早在1984年, rossignac和requicha就提出用滾球法進行過渡曲面的設計,但用這種方法得到的曲面表達式比較復雜,而且在滾球半徑較大時容易出現自交的現象。A sil flying head is designed to keep the distance between sil and recording medium in near - field range. a sil optical data storage system is built up when the recording head is combined with sil flying head. meanwhile, using astigmatic focusing error detection technology and twin optical pick - up heads, a novel nontouching nanometer measurement method is developed to measure the flying height of sil, and provides us with a powerful tool to optimize the design of sil fly head
在sil存儲技術研究方面,首先提出一種光學玻璃熱熔加工製作sil的新方法,該方法克服了小半徑球透鏡加工的難題,成功製作出了半球固體浸沒透鏡;設計了sil飛行頭系統,並利用光學頭像散法聚焦誤差檢測原理,設計出一種雙光學頭sil飛行高度測量方案,實現了sil飛行頭飛行高度的測量。The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle
研究了地球在日月引潮力和表面負荷作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在長周期核模本徵頻率附近的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當負荷階數超過10時,地核中的形變和擾動位都很小,地球的響應主要表現為彈性地幔中的徑向位移,且隨深度增加急劇減弱,地表負荷love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有效的近似處理方案。A discussion on measurement of curvature radius of spherical mirror through michelson interferometer - newton ' s ring interference
牛頓環干涉法測定球面鏡曲率半徑的討論Fibre optic interconnecting devices and passive components - basic test and measurement procedures - examinations and measurements - endface radius of spherically polished ferrules
光纖互聯器件和無源部件.基本試驗和測量程序.檢查和測量.球形拋光金屬箍的端面半徑A burnedout star could collapse to so small a radius as to make the effects of general relativity quite important near its surface.
一個燃燒完的星球可能坍縮到如此之小的半徑,以致在其表面附近,廣義相對論效應相當重要。The 11th pacific conference on computergraphics and applications, 2003, pp. 90 - 101. 24 hartmann e. parametric g n blending of curves and surfaces
給定空間曲線和正值函數,由它們定義的所謂管道曲面是由一族中心在曲線上以為半徑的球體生成的包絡。This paper makes a professional research on the spatial organization of harbin metropolitan area. through extensive field survey information, define the geographical scope of harbin metropolitan is harbin as area center, an area of about 35, 000 square kilometres in size, with a radius of 100 kilometres around the region of radiation, including at the harbin city and the surrounding wuchang, shuangcheng, acheng, shangzhi, binxian and zhaodong. social - economic development, urbanization and rural development zone building contributed to the development of common harbin metropolitan area formation ; with the reform and opening - up program and the continuous deepening of global economic integration, harbin metropolitan area will face in the future development of more opportunities and challenges
本文對哈爾濱都市圈空間組織進行實證研究,通過對大量的實地調查資料,界定了哈爾濱都市圈的地域范圍是以哈爾濱為中心,幅員面積約3 . 5萬平方公里,區域輻射半徑為100公里左右,現階段包括哈爾濱市及周邊的五常市、雙城市、阿城市、尚志市、賓縣和肇東市;社會經濟的發展、開發區的建設以及鄉村城市化的發展共同促成了哈爾濱都市圈的形成;隨著改革開放的深入和全球經濟一體化的不斷深入,哈爾濱都市圈在未來發展中將面臨更多地機遇和挑戰。The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed
根據這一設想,本文建立了超薄鏡的數學模型?薄殼,並提出了強制力作用下超薄鏡的簡化模型?曲梁,推導了曲梁在簡支情況下受力變形的撓度公式,並結合一個實例,計算出曲梁變形后與所需非球面的面形殘差( rms )在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍,分析了弧矢方向的rms ,得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。In this paper, we study and analysis the base distribution in human dna sequences. on the basis of the distribution sphere whose radius equal to 1 / 4 by zhang et al. expounded, with the method of plane mapping figure studying 6000 human dna sequences, and according to the figure of sierpinski gasket ' s patch and the brillouin zones of the face - centered cube, we obtain two new distribution figures, one is the frustum - octahedron, another is the regular - octahedron
我們在zhangetal .提出的人類dna序列的堿基分佈為半徑是1 / 4球分佈的基礎上,用平面投影圖的方法研究和分析了6000組人類dna序列的數據,並且根據塞爾賓斯基鋪墊的補形和面心立方的布里淵區圖形提出了兩種新的分布圖,一種是正八面體,另一種是截角八面體(十四面體) 。Radii of spherical surface of optical elements series of numerical values
光學零件球面半徑數值系列Because it can be used in wide range of radii, the development of reference lens is becoming an urgent task to be solved
因其可取代球面樣板且覆蓋球面半徑范圍廣,因此它的研製成為光學測試領域急需解決的問題之一。An optimizing arithmetic for calculating the best - fit sphere is also proposed, the result shows better accuracy is reached comparing to " three points method ", from 107. 8umrms to 25. 66umrms. during interferometric optics test with null lens, " nonlinear errors " of the testing coordinates will be introduced. a method based on ray - tracing, nonlinear fitting and coordinate transferring is proposed to eliminate these errors
在ccos控制模型及理論計算方面,提出了一種適用於高次離軸非球面最接近球面計算的優化演算法,經計算,某矩形離軸非球面最接近球面半徑的求解精度較傳統的「三點法」有了較大的提高,理論加工余量由原來的107 . 8umrms降低到25 . 66umrms ;提出一種基於磨頭與工件的相對位移量的控制模型,並且開發了阻尼卷積迭代演算法,引入「虛擬加工」的概念進行迭代求解和參數評價。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截角八面體之間;如果在四個堿基數目中有一個為零時,那麼它們有可能分佈在截角八面體和正八面體之間;如果相差的特別大,甚至有可能落在那個正八面體的外部。The surface of conventional engineering part is composed of simple analytical surfaces and four - boundary ruled surface primarily. therefore a point cloud segmentation method based on those feature surfaces is proposed. several algorithms to identify the simple analytical surface feature are investigated and discussed
常規工程零件的外表面中包含了大量的特徵曲面,如簡單解析曲面和四邊直紋面,因此,本文提出基於特徵曲面的的點雲分割方法,研究幾種識別簡單解析曲面的演算法;研究由點雲擬合b spline和b zier曲線的理論基礎,總結曲面擬合的幾種方法,提出一種反求定半徑滾球圓角的方法。Elastic - plastic analysis for soil around anchor jacked pile in this paper, the course of penetration is regarded as expansion of cylindrical cavity in infinite soil mass. combining with the knowledge of elastic mechanics and plastic mechanics, we can make analysis for soil around pile. finally, we can educe the cylindrical cavity pressure, radius of plastic zone, radical displacement in elastic zone, excess pore water pressure in soil around pile and spherical cavity pressure at the end of pile
錨桿靜壓樁樁周土體的彈塑性分析該部分是文章的主要工作所在,本文把壓樁過程樁周土體的本構關系看作是水平面的平面應變小孔擴張問題,利用小孔擴張原理,結合彈性力學以及塑性力學的知識,對壓樁後土體的性狀作出分析,得出樁對土的擠擴作用力、樁周土體塑性半徑、彈性區的位移,壓樁完成瞬時樁周土體彈性區和塑性區的超孔隙水壓力以及樁端球形孔擴張的擴張力。分享友人