有困难

Usually, the construction of the Liapunov function and some related theorems of stable theory of ODE are used in the problem.

在常微分方程的定性理论中，研究一个系统的全局渐近稳定性是一项困难且有意义的课题，通常采用构造Liapunov函数并利用稳定性理论中的有关定理来解这一难题。

If you have special places to swim, for example, is亲子园or hospital that is the best, if at home, first of all you have to buy a swimming pool what a life buoy, and then need a lot a lot of water, but also to maintain room temperature of 28 degrees, very difficult ah.

如果有专门游泳的地方，比如是亲子园或者是医院那是最好了，如果在家里面，首先你要买游泳池还有救生圈什么的，然后需要很多很多的水，还要保持室温28度，很困难啊。

Also a considerable number of real estate developers, life difficult.

也有相当多的房地产开发商，生活困难。

If there is a dislike for Japanese products (i.e. Honda and Toyota), this may be a life raft for the struggling company.

即使有一丝对日本产品的厌恶，这对于通用这个在困难中挣扎的大公司来说都无异于是一条救生艇。

The two projects had similarities, including visually huge and logistically difficult locations.

这两部影片有许多相似之处，包括庞大的视觉形象和后勤供应困难的外景拍摄场地。

When you meet with difficulties ,you can say loudly you are very happy .

当你遇到困难时，你可以大声说你很幸福，因为你有了更多挑战自我的机会。

When Louie was in first grade, it became obvious that he had difficulty reading.

路易小学一年级的时候，我已发觉他有阅读困难。

If some English works seem too difficult, complex and subtle to us, I mustpoint out, it lies in our lack of similar life experiences apart from theobstacles of language itself. Because we're in too lowlife levels with too superficial thoughts, it's natural we fail to understandthe profound meaning of those articles.

有一点必须指出，有些英文作品对我们如果显得太困难、繁杂或者微妙，除了语言本身的障碍之外，更重要的在于我们没有经历过类似的事情，我们的生命层次太低，思想太肤浅，自然无法领悟文章的奥妙。

As a result of the deficit of in successive years, at present capital is not worth badly, difficulty of have enough to meet need, add the effect of the macroclimate before be duped, effective supply of goods is insufficient, customer money volume drops somewhat, carriage income is serious coast, transform in what want devoted carriage hardware already, again many is in circuit disease to want a variety of circumstances such as punish to fall, the situation is very grim.

由于连年的亏损，目前资金严重不足，周转困难，加上当前大气候的影响，有效货源不足，客货运量有所下降，运输收入严重滑坡，在既要投入运输硬件的改造，又有多处线路病害要整治等多种情况下，形势十分严重。

Dec:It has been difficult to maintain any regular contact with most of them as our lives are different, but occasionally I come across some of them.

跟以前很多人保持联系是很困难的，因为我们现在有不同的生活。但是偶尔我会遇到他们一些人。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了