In this paper, double cylinder shell structure with stiffening ribs is used to solve some problems about the impulsive environment of underwater explosion for submarine structure.

本论文以双层加筋筒形结构为主要研究模型，探讨了水下爆炸作用下潜艇结构冲击环境研究的如下几方面的问题。

youdao

This paper discussed about the basic conditions, contents, methods and problems required in the expressway landscape and environment design.

研究了高速公路景观与环境设计的基本要求、内容与方法及应注意的问题。

youdao

Several problems about multimedia communication on the optic fiber network environment are discussed.

讨论了在光纤网络环境下进行多媒体应用的若干问题。

youdao

Media coverage of local industrial pollution problems is encouraged by the government of China, to show that they care about the environment.

FORBES: Magazine Article

They are also two generations who are deeply attuned to the problems facing the environment and the need for the government to make smart choices about education and technology that will help them and their children survive in a new economic world that provides less stability and requires more adaptability than the one of their parents.

CNN: Generations X and Y start to rule politics