The reliance on GPS can be a disadvantage in the urban environment, where the system is less effective, particularly at the level of the individual soldier inside a building.

对GPS的信赖在城市环境里可以是缺点，系统是较不有效的，特别在单独战士的水平在大厦里面的。

youdao

This paper studies some main techniques on information integrating and processing of building Resource and Environment Monitoring Information System.

文章对资源环境监测信息系统建设中信息集成、信息处理和分析中的一些关键技术问题进行了研究。

youdao

The alliance is committed to jointly building up the Android green application environment and creating a safe, reliable, healthy system of applications.

该联盟致力于共同构建安卓绿色应用程序环境，并创建一个安全、可靠、健康的应用程序系统。

youdao

Dr. Billal has 28 years of scientific and administrative experience in research and management to his credit and has the honour of implementing more then 1200 scientific programmes and projects around the world, covering a broad category of areas like science policy and innovation system, science education, technology capability building, environment protection, climate change, and water management programmes among others.

UNESCO: Education