1)foliation[英][,f?uli'ei??n][美][,fol?'e??n]叶状结构
1.For certain submanifolds in Euclidean space and certain compact irreducible homogeneous spaces, the indexes of q codimensional harmonic Riemannian foliations are no less than q+1.对于某一类欧氏空间的子流形及某些紧致不可约齐性空间 ,得到余维 q的调和黎曼叶状结构的指数不小于 q +1 。
2.In this paper,foliations of some kind three-dimensional Hopf manifold were constructed by applications of theory of universal covering and flow and the link between foliations and some function which is satisfied with some conditions was discussed.利用流形上流和万有覆盖理论,构造了特殊Hopf流形上的一个叶状结构,并讨论了这个叶状结构与此流形上符合一定条件的函数的联系。
英文短句/例句
1.Having leaves or leaflike structures.有叶的，叶状的具有叶子的或叶状结构的
2.A leaflike structure that bears microsporangia.小孢子叶长有小孢子囊的叶状结构
3.A leaflike organ or structure.叶状的结构象叶子一样的器官或结构
4.A sheathlike structure, such as the leaf of a grass that surrounds a stem.叶鞘鞘状结构，例如一种围绕茎的草叶
5.the arrangement of leaflike layers in a rock.岩石中像叶子一样的薄片层状结构。
6.The layered structure common to metamorphic rocks.叶理象变质岩一样的岩石层状结构
7.A straplike structure, such as the corolla of a ray flower or a membranous or hairy appendage between the sheaf and blade of a grass leaf.叶舌舌状结构，如舌状花序枝花的花冠或木科木植物草叶和茎之间的膜状或茸毛状的草叶
8.Stem A longitudinal axis upon which are borne the leaves, buds, and reproductive organs of the plant.茎：植物体着生叶、芽和繁殖器官的纵向轴状结构。
9.Numerical analysis of laminated ceramic composites by non-Fourier heat conduction非傅立叶模型层状复合陶瓷结构热传导分析
10.The occurrence of apomictic reproductive structures on the leaf of the bog orchid, is of interest.有趣的是在叶状沼兰叶子上发生无融合生殖的结构。
11.When viewed under a microscope, the liver is seen as large network of units called hepatic lobules. The hepatic lobule is very small and looks like a six-sided cylinder.肝的微细结构在显微镜下，肝脏是由肝小叶为单位的网状结构。肝小叶非常小，是六棱柱体。
12.highly succulent stemless clump-forming plants with gray-green leaves similar in texture to lumps of granite; South Africa.肉质无干的块状植物，有灰绿色的叶子，结构酷似花岗岩；南非。
13.Step 5:Input other structural parameters of frame and define the position of the nose pad and bridge, and select the type of lug.再填上镜框结构数据，设定叶子及鼻梁位置等。同时，选择庄头形状。
14.A small bulb or bulblike structure in the place of a flower or in a leaf axil, as in a tiger lily.球芽在花或叶腋部位生有的球或似球状的结构：如卷丹上的球芽
15.Most grass embryos have a flap-like structure known as the epiblast.大多数禾本科胚有一片瓣状结构通常称为外胚叶。
16.Clinical Follow-up, Immunohistochemistry and Electroscope Study of Breast Phyllodes Tumors;乳腺叶状肿瘤临床随访以及免疫组化、超微结构研究
17.Life form spectra,leaf character,and hierarchical-synusia structure of vascular plants in Thuja sutchuenensis community崖柏群落维管束植物生活型组成、叶子性状及层次层片结构
18.schistose structure【地质】片状构造, 层状结构
相关短句/例句
leaf like texture叶片状结构
3)Riemannian foliation黎曼叶状结构
1.This note deals with the properties of a Riemannian foliation with parallel mean curvature on a Riemannian manifold.讨论了常曲率空间中具有相同常平均曲率的黎曼叶状结构的性质,得到1个定理,并得出3个推论。
2.The purpose of this paper is to study a Riemannian foliation with parallel mean curvature on a Riemannian manifold.设M是一个紧可定向流形,F为M上的黎曼叶状结构,它被许多几何学家所关注。
3.This paper gives some observations to the Harmonic Riemannian foliation of codimension p, studies the Riemannian foliation by hypersurfaces with same constant mean curvature.本文首先给出空间形式余维p的调和黎曼叶状结构的一些基本观察,它们简单,但是重要,其次给出叶子具有相同常平均曲率的余维1的黎曼叶状结构的一条定理,它完全蕴含了Yokote的一个定理。
4)isoparametric foliation等参叶状结构
5)Space like foliations类空叶状结构
6)A structure or part resembling a lobe.叶状结构或部分
延伸阅读
叶状结构叶状结构foliation 【补注】在西方，Y系统称为AJlocoB系统(Allosovs那把m)更好些.的系统，甲:的切场切于毋g’(c)，叶状结构的构成是利用适当的“粘合一起”而实现的(用另一种方式更详细的讨论见「3】). 叶状结构的概念于2D世纪40年代在G.Reeb和Ch.Ehi铭~的一系列论文中展开，在书【11中达到高潮(对它的历史，见「2」)，并且与转向整体观点有关.这部分地是被光滑的动力系统(d卵田汕习s邓tem)理论促进的，其中相流形(以平衡位置为例外，见平衡位里(闪山五俪哑po Sltion))到轨道的分解是一维的叶状结构.在这个理论里，曲面上的流占据了特殊的地位(见P浦四诫一B.山x峨肚理论(Poinca挽一Bel记认-sm tlr幻ry);环面上的微分方程(由玉沈川训闪姐石。
