The homogeneous balance method, which is simple and straightforward, is extended to seek for Backlund transformation, exact bell shape soliton solutions and similarity reduction of the Boussinesq equation.
将简便而又直接的齐次平衡法推广应用到求Boussinesq方程的 Backlund变换 ,精确孤子解和相似约化。
A class of nonlinear evolution equations is reduced by the three kinds of similarity reductions in this paper first,and then the ordinary differential equations and the similarity solutions are obtained.
利用3种方法对一类非线性发展方程进行相似约化,使原来的偏微分方程约化为常微分方程,并得出其相似解。
Four families of similarity reductions are obtained for the nonlinear evolution equation arising in the Fermi-Pasta-Ulam problem via using both the direct method due to Clarkson and Kruskal and the improved direct method due to Lou.
利用Clarkson和Kruskal引入的直接法和Lou的改进的直接法 ,给出了源于Fermi_Pasta_Ulam问题的非线性发展方程的 4种类型的相似约
Similarity Reductions and Exact Solutions of Boiti-Leon-Pempinelli Equations
Boiti-Leon-Pempinelli方程组的相似约化及精确解
Similarity reduction of (2+1)-dimensional nonlinear Klein-Gordon equations
(2+1)维非线性Klein-Gordon方程的相似约化
Similar municipal maneuvers took place in Chicago and in New York.
相似的城市化也发生在芝加哥和纽约。
There was a distant [faint] resemblance between them.
他俩有隐约相似的地方。
Theε- constraint is used to generate a set of noninferior solutions and the satisfactory solution is obtained by improved Similar Opted Radio method.
采用ε约束法产生非劣解集,用改进的相似优化比法确定满意解。
K_0-Group and Approximate Similarity Invariants of Strongly Irreducible Operator;
K_0群与强不可约算子的近似相似不变量
Properties and Relative Individual Reduction of Covering Approximation Space
覆盖近似空间的性质和相对个体约简
Attribute Reduction of Fuzzy Rough Sets Based on Variable Similar Degree
一种变相似度的模糊粗糙集属性约简
Approximate Merging of 4 Neighbouring Triangular Bézier Surfaces with Boundary Constraints
带边界约束的4片相邻三角Bézier曲面的近似合并
DATA REDUCTION OF VARIABLE PRECISION ROUGH SET BASED ON SIMILARITY RELATIONSHIP
基于相似关系的变精度粗糙集的数据约简
Abstraction and grammaticalization have similarity in some respects.
语法化与抽象化有一定的相似之处。
Similarity in nature.
类似，近似属性的相似性
The tendency of chemical elements with similar positions in the periodic table to have similar properties.
周期律化学元素在周期表中有相似位置时具有相似特性的趋势
The resemblance of families such as the Verbenaceae and Labiate is the result of evolutionary convergence.
科的相似性，如马鞭草科与唇形科的相似性，是进化上的趋同造成的。
These compounds have structural similarities to penicillin.
这些化合物结构上与盘尼西林相似。
class of verbs that conjugate in the same way
词形变化相似的一类动词
They found similar high CPR values.
他们发现了相似的高圆极化率数值。
Hydrodynamic Simularity for Fluidized Beds with Coarse Particle;
大颗粒流化床床层动力学相似性研究