- 更多网络例句与相似对称的相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Asymmetrical dynamic propagation problems under the action of variable loads and (P^3t/x^2) located at the origin of the coordinates respectively, are resolved by the measures of self-similar functions, and the universal expressions of analytical solutions to stresses, displacements and stress intensity factors are gained.
采用自相似函数的方法对坐标原点分别受到变载荷Px/t、Pt^3/x^2作用下的非对称动态扩展问题进行求解,获得了应力、位移和动态应力强度因子解析解的一般表达式。
-
If the sun were a rigid body, its magnetic field might resemble the earth's, with symmetrical field lines like a bar magnet 's.
如果太阳是一颗固体星球,其磁场或许与地球磁场相似,像条状磁铁那样具有对称的磁力线。
-
After analyze some kinds of extensions to the classical rough set theory, a new extension of rough set model based on limited non-symmetric similarity relation is developed.
为此,在分析研究已有的扩充粗糙集理论模型的基础上,进一步提出基于限制非对称相似关系的扩充粗糙集模型。
-
We show a matrix A is similar to an orthogonal matrix over a field of characteristic 2 if and only if ( 1 ) the invariant factors of A are symmetic,(2) A has at least an elementary divisor of the form ( x + 1 ) m.
本文利用矩阵方程证明如下两个结果:设F为一个域char=2,在F上矩阵A相似于一个正交矩阵的充要条件为(1)A的不变因子是对称的。(2)A至少有一个形为(X十1)的初等因子。
-
To solve this problem,the equivalence relation of rough set theory is replaced by an asymmetrical similar relation,and from this relation,an asymmetrical similar matrix is defined,then a new heuristic algorithm with less space complexity that require core and knowledge reduction based on asymmetrical similar matrix is proposed,and an example is given to confirm the validity of the algorithm.
用非对称相似关系代替粗糙集理论中的等价关系,定义了非对称相似差别矩阵,提出了基于非对称相似差别矩阵的高效求核和知识约简算法。该算法无需改变初始不完备信息系统的结构,能直接处理缺省数据。实验结果表明,新算法所获得的决策规则简洁、高效,与缺省值无关。
-
As for as the two-component WKI equation, symmetry reductions and similarity solutions which correspond to an optimal system of its Lie point symmetry groups are given systematically.
基于对称群理论,这一部分主要研究包括WKI系统在内的几个微分方程的对称及其在对称下的相似解。
-
In addition, the connection of complex matrices and complex symmetric matrices , namely every complex matrix is similar to a complex symmetric matrix, is found.
另外,本文找出了复对称矩阵与一般的复矩阵的关系,即每个复矩阵都相似一个复对称矩阵。
-
To effectively reconfigure General Bill of Material, reconfiguration process of GBOM based on data-mining was proposed. BOM instances were represented by the weighted unordered tree graph generally, and the algorithm of similarity measurement between two similar BOM instances were presented based on the minimum weighted symmetric difference. In terms of the results of the similarity measurement, all the typical BOM instances were clustered based on the k-Means clustering method.
为有效地重构新型的通用物料清单,提出了基于数据挖掘的通用物料清单重构过程,运用赋权无序树形图表示产品物料清单实例,基于最小赋权对称相异度给出了相似物料清单实例之间的相似度度量算法;基于物料清单实例之间的相似度度量结果,采用k-Means聚类方法对物料清单实例进行聚类。
-
In many practice problems such as to know the resonnance frequency of a structure and to know the critical value for the stability of a dynamical system,often need to compute the eigenvalues of a symmetric matrix. The chief method to compute the eigenvalues of a symmetric matrix is first to transformate the matrix to a symmetric tridiagonal matrix similarly and orthogonally, then to use the QR method with shift to the symmetric tridiagonal matrix.
很多实际问题,如求结构振动的固有频率,动力系统稳定性的临界值等常常归结为计算对称矩阵的特征值,而首选的计算方法是先把该矩阵正交相似变换成一个对称三对角矩阵,再对这个对称三对角矩阵用带位移的QR方法。1968年J.H。
-
The Chinese numeral "O" and the English letter "o" are very much alike , and " o"is axial symmetrical. Chinese etymons such as"木","雨","禾","圭"and"示"are basically axial symmetrical.
中国数字O或零,与英文字母 O 完全相似,而&O&具有上下左右对称的特征,中文字根如&木&,&雨&,&禾&,&圭&和&示&,基本上都是左右对称。
- 更多网络解释与相似对称的相关的网络解释 [注:此内容来源于网络,仅供参考]
-
symmetric:对称的
因此就有了从品牌A到品牌B在竞争上的影响度,和品牌B到品牌A的影响度,几乎是"对称的"(symmetric)这样的前提. 然而,现实中,消费者知觉上相似(或具有同样偏好)的两个品牌间的竞争关系并不是对称的. A现在占有大的市场份额,B只是新产品的话,
-
Angiospermae:被子植物亚门
很少有裂,托叶大,包被幼芽,脱落后常留有明显的环形托叶痕.花常两性,单独顶生或腋生,辐射对称;萼片与花瓣常相似,多数, 离生,排成数轮;雄蕊多数,离生,螺旋状排列在柱状花托第八章 被子植物亚门(Angiospermae)被子植物属于种子植物,
-
Annelida:环节动物门
环节动物门(Annelida). 体长圆柱形或长而扁平,左右对称,由前后相连的许多形态相似的体节组合而成,体节在外部形态上表现为体表的环纹. 有的有不分节的附肢,即疣足;有的无附肢,而只有刚毛,以佐运动. 体腔多数明显.
-
antitrope:对称体
antitrismus 张口痉挛 | antitrope 对称体 | antitropic 相似对称的
-
antitropic:相似对称的
antitrope 对称体 | antitropic 相似对称的 | antiverbalism 反语词主义
-
Cymbella:桥弯藻属
桥弯藻属(Cymbella)羽纹纲舟形藻目桥弯藻科的1属. 壳面纵轴弯转,呈半月形,所以纵轴左右不对称. 但花纹仍在纵轴两侧,左右相似. 壳缝也在弯转的中线上. 横轴和壳环轴的两侧,完全对称,所以桥弯藻象一个依纵轴弯转的舟形藻,
-
Manatees:海牛
与腹鳍退化相似,发生在亲缘关系较远的一个形态发生学例子是海牛(manatees)下肢的退化,说明左右不对称是棘鱼腹鳍退化和小鼠中常见的Pitx1介导的一个形态学特征.