double-symmetry

An algorithm was constructed to solve the least squares bisymmetric solution of a class of matrix equation.构造了一种迭代法求一类矩阵方程的最小二乘双对称解。49r汉语字典

To construct the patterns with hyperbolic symmetry which are composed of classical fractals,we compress the fractal sets into the hyperbolic limit disc by the hyperbolic symmetry transformations.方法分析双曲对称群的特点,改造欧式平面上构造经典分形的IFS迭代函数系,利用这种迭代函数系与双曲平面对称变换构造出组合IFS,通过随机挑选组合IFS中的仿射变换,构造双曲排列的分形集。49r汉语字典

etc constructed a mapping of hyperbolic limit disc with the hyperbolic symmetry group [p,q]+.等人利用双曲对称群的生成元构造出了具有[p,q]+对称的双曲极限圆迭代映射。49r汉语字典

To construct the images with hyperbolic symmetry [p,q]+ from Iterated Function Systems, the IFS with p-rotational symmetry characteristics , which were composed of multi-contraction affine transformations, were further compressed and rotated to the central lattice of a hyperbolic plane [p,q]+ .通过双曲几何的等变换矩阵的双曲对称排列,将普通平面上的具有旋转对称特性的有界不变集排列在双曲圆内并生成[p,q]+双曲图案。49r汉语字典

This paper defines a new concept of bi-symmetry for multi-bank wavelets.本文定义了一个双对称性新概念。49r汉语字典

Moreover,if R is a 2-torsion free prime ring and U a Lie ideal of R such that u2∈U for all u∈U and γ is a generalized derivation with d≠0,B∶R×R→R is a symmetric biderivation associated with the trace function g(x)=B(x,x),then U■Z(R) when one of the following conditions holds(1) γ acts as a homom.此外,如果R是2-扭自由的素环,U是平方封闭的李理想,γ是伴随导子非零的广义导子,B:R×R→R是迹函数为g(x)=B(x,x)的对称双导,当下列条件之一成立时U为中心李理想(1)γ同态作用于U(2)2[x,y]-g(xy)+g(yx)∈Z(R)(3)2[x,y]+g(xy)-g(yx)∈Z(R)(4)2(x°y)=g(x)-g(y)(5)2(x°y)=g(y)-g(x)对所有的x,y∈U。49r汉语字典

Since Posner s well-known paper appeared in 1957, the research of derivation, generalized derivation, symmetric biderivation, and etc, in prime rings has become an important field in the theory of ring.自从1957年Posner关于素环上导子的两个著名定理问世以来，素环上导子、广义导子、对称双导等的研究成为环论研究中的一个重要领域。49r汉语字典

On The Generalized Bisymmetric And Generalized Anti-BisymmetriC Solutions of a Matrix Equation;一类矩阵方程的广义双对称与广义双反对称解49r汉语字典

The Bisymmetric Positive Semidefinite Solutions of Matrix Equation A~TXA=F;矩阵方程A~TXA=F的双对称半正定解49r汉语字典

air-spaced double anastigmat双分离对称消像散镜头49r汉语字典

binary asymmetric dependent channel双态非对称相关信道49r汉语字典

non-degenerate symmetric bilinear form非退化对称双线性型49r汉语字典

asymmetric double-chamber surge tank不对称式双室调压井49r汉语字典

Quadratic Form and Symmetric Bilinear Function;二次型和对称双线性函数的对应关系49r汉语字典

Experiment of Controllable Double-Well Optical Trap and Application of Asymmetric Double-Well Optical Trap可控制光学双阱实验及非对称双阱的应用49r汉语字典

Human hands are dissymmetrical.人类的双手是左右对称的。49r汉语字典

Both side claim the other side break the peace agreement.双方都声称对方破坏了和平协议。49r汉语字典

One-to-one onto function is also called bijection.一对一到上函数称为双映射。49r汉语字典

STUDY OF THE PL SPECTRA OF ASYMMETRIC COUPLED DOUBLE QUANTUM WELLS非对称耦合双量子阱的荧光光谱研究49r汉语字典

The Research on the Key Technologies of HFC Bidirectional Network;HFC网络双向对称传输关键技术的研究49r汉语字典

Construction of M-band Symmetric (Bi) Orthogonal Interpolatory Wavelets;M带对称（双）正交插值小波的构造49r汉语字典

A Class of Cournot Duopolies under the Asymmetric Competition一类不对称竞争下双寡头模型的分析49r汉语字典

A Class of Compactly Supported Symmetric Biorthogonal Wavelets一类紧支撑对称双正交小波(英文)49r汉语字典

An Asymmetric Dual-Core Photonic Crystal Fibers Coupler一种非对称双芯光子晶体光纤耦合器49r汉语字典

The Anti-bisymmetric Matrices Optimal Approximation Solution of Matrix Equation AX=B矩阵方程AX=B的双反对称最佳逼近解49r汉语字典