经济地使用 meaning in Chinese

use economically

All sectors of the consumer market must contribute to this by increasing efficiency and using fossil energies as economically as possible
所有的消费市场都必须增加效率和最经济地使用化石能源。
In order for using mdyb - 3 pmma safely and economically , it is of engineering significance to study the response of the kind of damage - contained canopy materials and structures withstanding service loading quantitatively , and to develop corresponding analytical techniques
为了安全和经济地使用mdyb - 3航空有机玻璃，有必要对此材料的疲劳和断裂特性进行系统的研究。为此，本文开展了mdyb - 3有机玻璃的断裂参数、疲劳裂纹特性的试验研究和裂纹扩展机理分析。