There are some results on the comparison of weak solutions of homogeneous hyperbolic system and its approximate model.

对于上述齐次双曲守恒律方程组与其近似模型之间解的比较，已经有人得到了相关结果。

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The uniqueness problem of the weak solutions of the time dependent drift diffusion model for semiconductor equation with avalanche term is considered.

研究带雪崩项的半导体漂移-扩散模型方程弱解的惟一性问题。

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This paper discusses the existence of a class of singular elliptic boundary value problems. Under certain conditions, we prove that weak solutions exist.

讨论了一类具有奇异性的椭圆问题解的存在性。证明了在一定条件下，弱解存在。

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The highly anticipated launch of GALAXY S III and upbeat sales of GALAXY Note, along with a more competitive average selling price (ASP) than the previous quarter, have cushioned an on-quarter operating loss brought on by the seasonably weak earnings of businesses in IT Solutions and Telecommunication Systems.

ENGADGET: Samsung's Q2 2012 earnings show $5.86 billion operating profit, that's a lot of Galaxy S IIIs

The GOP is probably two-thirds responsible for the credit crisis to begin with (chain-sawing rulebooks will do that) and its current leadership has been equally pathetic in terms of bringing solutions to the table for joblessness and weak business activity.

FORBES: GOP Offers Heckling As Economic Solution

Avnet said the weak profit forecast reflects the lower revenue in the technology solutions group, lower profits margins in the Western regions in electronics marketing due to a weaker sales environment, and a greater-than-expected mix shift in electronics market, with better sales in the lower-margin Asia region more offset by weaker sales in higher-margin Western regions.

FORBES: Avnet Warns On Sept. Qtr; Shares Down; Arrow Also Falls