That had been a night of unmixed joy and rapture.

We've also proposed a new discrete symplectic algorithm inspired by the finite element method.

反之,利用有限元离散相空间,得到一类新的算法,称为有限元-辛算法.

A symplectic method is established by introducing a duality system.

通过引入对偶体系,建立了解决该类问题的辛方法.

In this paper, we study the application momentum mapping to a Possion G-space and symplectic groupoids.

本文研究了矩映射在泊松G - 空间及辛群胚中的应用.

The dual equations and conditions of the corresponding boundary are obtained directly in the symplectic space.

在辛几何空间中直接描述正则方程和对应的边条件.

In this paper Lie group , Symplectic manifolds, Groupoids are treated as fundamental research subjects.

本文主要以李群 、 辛流形及群胚等为基本研究对象.

With the aid of the completeness of symplectic eigensolutions, a close method was presented.

利用辛本征解空间的完备性, 建立一套封闭的求解问题方法.

It has been raining heavily all day.

大雨下了一整天。

Hurry in, children, it's raining!

快进来, 孩子们, 下雨了!

It's always dull and raining.

天气总是阴雨连绵。

By Heaven! It's raining at last!

天哪! 终于下雨了!

It was raining heavily.

雨下得很大。

It's raining hard . However, I still want to go there.

虽然下着大雨, 我还是想去那儿.

Take care not to let these goods be rained on!

当心别让这些货物被雨水淋湿了!

The meeting was rained off.

大会因雨而取消.

They liked it better when it rained.

他们更喜欢雨天。

It rained soon after we had planted the trees.

种完树不久就下了一场雨.

Saturday's game was rained out.

星期六的比赛因雨取消了。

Most of the games have been rained off.

大部分比赛都因下雨而暂停了。

Cattle and horses on big ranches are marked with brands to show who owns them.

大农场上的牛马被标以烙印,是表示谁拥有它们.

The covers were encouraging : there were pictures of cowboys, ranches and cat-tle.

它们的封面挺令人振奋: 有牛仔 、 牧场和牛的照片.