First , the thesis reviewed the history , current status and development trend of uav ( unmanned aerial vehicle ) , and draw much attention on the introduction of predominate architectures and components of nowadays uav gcs .

首先，论文描述了世界无人机的发展概况及发展方向，介绍了当前世界无人机地面测控站的主流架构和组成。

In china some scholars have studied about gcs from the views of international relationship , political science and political philosophy . But as a whole , research force in the realm is still weak and the fruits are insufficient , deep discussion is needed .

我国学者已分别从国际关系、政治学和政治哲学的角度关注全球公民社会，但从总体上看，这一领域的研究力量还比较薄弱，成果不足，进一步的研究有待作出。

Western academy has initiated abroad discussion on the concept of gcs , the process of its formation and development , its impact on political realities and its future . In the discussion , theory analysis frames and theory camps have already come into being .

西方学术界围绕着全球公民社会的概念、全球公民社会的产生与发展以及全球公民社会对现实政治的影响及其发展趋势等问题展开了广泛讨论，并且形成了不同的理论分析框架和研究阵营。

One thing all four gcs agreed on was their biggest frustration with outside counsel -- not understanding their business pressures .

这四位法律总监都认为外部律师让他们最失望的是--不理解他们的商业压力。

Outstanding gcs not only deepens the reform of geography curriculum , also being the necessary condition of successive geography education .

出色的地理课标不仅使地理新课程改革进程如虎添翼，也是地理教育取得卓然成效的必要条件。