1) nearly perfect matching
几乎完美匹配
1.
On the second largest Laplacian eigenvalues of trees with nearly perfect matchings;
关于几乎完美匹配树的第二大Laplacian特征值(英文)
2) perfect matching
完美匹配
1.
Minimum degree distance of unicyclic graphs with perfect matching;
具最小度距离的完美匹配单圈图
2.
On the second largest Laplacian eigenvalues of trees with nearly perfect matchings;
关于几乎完美匹配树的第二大Laplacian特征值(英文)
3.
Enumeration of perfect matchings in some type polyminoes;
若干四角系统完美匹配数的计算
3) almost perfect sequences
几乎完美序列
4) almost perfect arrays
几乎完美阵列
1.
The conception “almost perfect arrays" is proposed and it is shown that the existence of an almost perfect binary array is equivalent to the existence of a certain divisible difference set.
提出了几乎完美阵列的概念 ,证明了完美二元阵列的存在性等价于一种特定的可分差集的存在性。
5) perfectly matched layer
完美匹配层
1.
The perfectly matched layer boundary condition incorporated into the beam propagation method based on a finite element scheme is introduced in the article.
文章介绍了有限元光束传输法(FE BPM)和完美匹配层法的结合,并用该法分析了不同折射率比和仰角的锥形线性波导,说明了这种方法的有效性和实用性。
2.
The theory of perfectly matched layer (PML) artificial boundary condition (ABC), which is characterized by absorption any wave motions with arbitrary frequency and arbitrarily incident angle, is introduced.
介绍了完美匹配层(PML)人工边界可以吸收不同频率和任意角度入射波的原理以及PML人工边界的构造方法。
3.
In the bounded region with the perfectly matched layer,since there is no orthogonal property of the eigenfunctions for the improved and complex Helmholtz equation(ICHE),it is difficult to compute the coordinates under the local bases when the equation is solved by some numerical marching methods.
在带有完美匹配层的有界区域中,由于改进的复Helmholtz方程的特征函数一般不具有正交性,故数值步进求解复方程时存在着局部基下坐标计算的困难。
6) without perfect matching
无完美匹配
补充资料：几乎可简化的线性系统
几乎可简化的线性系统
almost - reduciHe linear system
具有如F性质:存在个常系数系统t公“B夕.夕已R门、并且对姆一个。0，有月，仍.圈变换(LyaPUn(〕vt份I石for-ma加n)L￡(t)，使得经过变量替换x=L。(t)v后，系统(*)可变为系统 少=(B+C巡(t)乏、，，其中 }缪}IC!(‘)}}<标一个可简化的线性系统(甩ILlciblel~s”lell刃)均为儿乎可简化的，几乎可简化的线性系统!曲n喊一悦山心翻晚血.r卿劝曰l;no，T.np皿。朋Ma，几“能.“a，e“eTeMa]，常微分方程的 一个系统 义=A(r)x，x任R”，(*) A(·):R*Hom(R丹，R月)，
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条