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The authors investigated the singular limits of stiff relaxation and dominant diffusion for general 2×2nonlinear systems of balance laws, that is,τ=o,ε→ 0, the relaxation time τtends to zero faster than the diffusion parameter ε. If there exists a priori L∞ bound that is uniformly with respect to ε for the solutionsof a system, then the solution sequence converges to the corresponding equilibrium solution of the system.

研究一般扩散占优的2×2双曲平衡律系统奇异松弛极限，用补偿紧性方法，在松弛时间τ比扩散系数ε趋于零快时，即τ=o，ε→ 0时，得到其解的整体存在性一般框架：如果上述系统的解存在对ε一致的先验L∞估计，则其解序列收敛于上述系统的对应平衡状态解。

The English culture is like a vast ocean. There exists a lot of colour-related words in English.

由于语言是人类对外界事物和人类内在心理的感知和理解的反映的表现工具之一。

This kind of means is not hole unconscious abduct, you should know this is commerce, and commerce exists forever.

这种方式不是坑蒙拐骗，你要知道这是贸易，而贸易是永远存在的。

In some finiteness conditions, we prove that there exists a natural Abelian group homomorphism from the Grothendieck group of R to the Grothendieck group of A.

在适当的有限性条件下，我们证明了一个从R的Grothendieck群到A的Orothendieck群的自然的阿贝尔群同态。

Abeyance also exists when there is no one who can easily declare future ownership.

暂时还存在时，没有人可以很容易地宣布谁未来所有权。

Abrasion of shafts widely exists in the production of industry and agriculture.

轴类部件的损坏是工农业生产中常遇到的问题。

There exists no country level absolute convergence of the provincial productivity whether incorporating environmental factors or not.

3无论是否考虑环境因素，省级生产率均不存在全国范围的绝对收敛。

The conclusion is that there is noσconvergence, but existsβabsolute convergence in Jiangsu regional financial development. Meanwhile there also presents"club convergence"at some extent.

文章同时还利用σ、β以及"俱乐部"检验等方法，对江苏区域金融发展差异的收敛性进行了多指标、多角度的检验。

The absoluteβ-convergence is not exists in the regional economic growth, which means there is no over take phenomena between the undeveloped and developed regions.

地区经济增长过程中并不存在绝对β收敛现象，即并不存在落后地区对发达地区的赶超。

One does not believe that God exists, as one believes that Timbuktu or the constellation Andromeda exists.

相信神的存在，因为有人认为廷巴克图或星座仙女座存在。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。