摘要
从生态系统、资源和能源角度出发,对21世纪开发绿色环保型混凝土材料的重要性及技术经济等方面进行阐述。
This paper elaborates the importance of developing environmental protection concrete materials which will be used in a great deal in 21st century and technological ecomomy etc. based on ecosystem, resources and energy resources.
出处
《机械管理开发》
2004年第5期11-11,13,共2页
Mechanical Management and Development
关键词
生态平衡
资源
能源
技术经济
Ecosystem balance Natural resources Energy resources Technological economy
