最后，运用数据包络分析的方法，结合世界上八个国家的虚拟水使用效率，进行了比较分析，同时给出了相关的对策以及建议。
At last, according to the virtual water efficiency within eight countries and DEA (Data Envelop analysis) method, the paper makes compare and analysis and also supplies related measure and suggestion.
农业学家们开始设计工具，帮助监测水的使用效率。
Agronomists are beginning to devise tools to help monitor the efficiency of water use.
芝加哥正努力提高水的使用效率，替换渗漏的管道，安装水表。
Chicago is trying to become more efficient, replacing leaky pipes and installing water meters.
a quasar冷却系统使用温度高达华氏140度的水，因此对于能源的需求比相同散热效率的风冷设备低了足足40%。
The Aquasar cooling system USES water at temperatures of up to 140 degrees, and as a result consumes up to 40 percent less energy than a comparable air-cooled machine.
这种技术不是基于你的气体取代水，但通过提高效率，您的气体为基础的引擎使用存储的能量水。
The technology is not based on replacing your gas with water, but by enhancing the efficiency of your gas-based engine by using the stored energy in water.
这种电池的使用效率极高，而主要的副产品只是水。
They operate at extremely high efficiency, and their main by-product is water.
该机轨道采用密封油槽式，彻底解决水、切屑、灰尘对轨道的污染、腐蚀、整体比普通型使用效率增加10倍。
The aircraft track sealed tank type, completely solve the water, chips, dust on the track pollution, erosion, the overall efficiency than the ordinary type increased by 10 times.
该机轨道采用密封油槽式，彻底解决水、切屑、灰尘对轨道的污染、腐蚀、整体比普通型使用效率增加10倍。
The aircraft track sealed tank type, completely solve the water, chips, dust on the track pollution, erosion, the overall efficiency than the ordinary type increased by 10 times.
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