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Here mainly introduces five natures of the initial value problems, In several aspects summed up as the following : whether there are solutions to the problems, whether the only solution, the existence of solutions interval extent; Initial issues under what conditions have a solution--Cauchy - Piano existence theorem; how the district between the definition of a solution to open up a larger interval up; initial value problems for the sole condition --- Lipschitz conditions; 3、the numerical solution of the initial value problems of Ordinary Differential equations .

在这里主要介绍了初值问题的5个方面的性质，分别在这几个方面中总结了以下内容：初值问题是否有解，解是否惟1，解的存在区间有多大；初值问题在什么条件下有解----柯西-皮亚诺存在定理；怎样把在小区间上有定义的解开拓到较大的区间上去；初值问题解的惟1性条件---李普希茨条件；3：常微分方程初值问题的数值解法。

Play with up to 60different balls with up to 20 different weapons on up to 99 different levels.

在高达 99 个不同的水平上用高达 20 件不同的武器玩高达 60 个不同的球。

Just as there are exercises to help you warm up before you playsome basketball or other sport, there are exercises which can help youwarm up to study English. Here are some simple exercises to help youwarm up.

每次打篮球或者进行其他运动之前我们总要做一些热身活动来准备准备，学英语也是一样，这里有一些可以帮你做学前热身的简单练习。

Today, what slightly arranges for everybody introduction is Daren kibitzs, 2008 beautiful women intensive secrets.is certain when cleans up you to put on make-up to wrap to discover that oneself puts on make-up a package of thing many not to be able to install, two years ago buy the lipstick still, the expired eyelash pomade did not have discarding?

今天，小编为大家介绍的是达人支招，2008美女速成秘技。发现自己化妆包东西多的装不下，两年前买的口红仍在，过期的睫毛膏还没有丢弃？

Xuan Fen got angry, he was trying his best to push me towards the peak of scree:" if only you do not give up, you can come up definitely, I was here, I am sure tol drag you to come up."

正努力将我向坡顶推的旋风火了："有我们在你身边，就是拖也要把你拖出去，只要你不放弃，你一定能上来的。"

Seven-up: Fresh-up with Seven-up.

提神醒脑，喝七喜。

Test Set-up Condition: The test set-up condition is similar to the test set-up of the temperature test condition.

测试条件结构：测试的条件结构和温度测试差不多。

Another version is the "up-against the wall", as in "Sloe Comfortable Screw Up Against The Wall with a Kiss", derived from the baseball-bat shaped bottle that is too large to put anywhere else on the back bar except up against the wall!

另一个版本是"直接向墙上撞"，因为"性饥渴"，来自棒球棒形状的瓶子在酒吧的任何地方都太大占空间了，除了挂在墙上！

Hiccup, snick up, rise up, right up.Three drops in the cup are good for hiccups.

在美国，很多人认为：重复下列绕口令可制止打嗝

I mean, she inspired both my favorite soundbite "Shut up, shut up, that's how girls get BEAT UP!"

我的意思是，她有两点偶实在是印象深刻："超音波战斗机"（"闭嘴，闭嘴，然后女生是怎样被囧了！"

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。