|
A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders.
|
|
|
摘要研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质，得到了单电子在场中狄拉克方程的新一类精确解；计算了极化算符的本征函数。 |
|
A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.
|
|
|
摘要在各向异性条件下，讨论了双曲型方程的一类非协调有限元逼近，给出了半离散格式下的最优误差佑计。 |
|
A class of nonlinear for integro-differential reaction diffusion equations are considered.
|
|
|
摘要研究了一类非线性积分―微分反应扩散方程。 |
|
A class of second order nonlinear functional differential equations with continuously distributed delay are studied, and sufficient conditions are derived for all solution to be oscillatory.
|
|
|
摘要考虑一类具连续分布滞量的二阶非线性泛函微分方程，获得了该方程的所有解振动的充分条件。 |
|
A class of shares which have no preferential rights as to either dividends out of profits or capital on a winding up.
|
|
|
普通股股东是公司的所有者，是经营利益的最后享受者，也是经营风险的最后承担者，享有投票权、收取股利、优先认股和剩余财产分配等权利。 |
|
A class of singular nonlinear parabolic equations was considered, after linearing this equations, the corresponding variational problem was obtained, furthermore the existence and uniqueness of weak solution was proved.
|
|
|
摘要考虑一类奇异非线性抛物方程，通过对其右端线性化，得到一个与之相应的变分问题，进而证明其弱解的存在唯一性。 |
|
A class provides a general description for one or many objects.
|
|
|
一个类提供了一个或者多个对象的通用性描叙。 |
|
A class to do search and replace functions within a file and add a line to a file.
|
|
|
这个类可以在文件中执行搜索和替换功能，也可以在文件中增加一行。 |
|
A class which supports incremental matching of a pattern against a set of stored strings.
|
|
|
一个提供依靠存储的字符串来匹配图案这种功能的类。 |
|
A classic drippicture by Jackson Pollock has become the world's most expensive painting after it was sold in America by the Hollywood entertainment mogul David Geffen for $140 million (￡75 million).
|
|
|
好莱坞大腕戴维·格芬将20世纪美国抽象画大师杰克逊·波洛克用“滴画”手法创作的名为《1948年第5号作品》的油画以1.4亿美元的价格出售后，这幅作品成为世界上最贵的画。 |
|
A classic expression of love for your sweetheart.
|
|
|
你像是一朵红红的玫瑰！向心上人表达一个经典的情意。 |
