Finally, with the method of exergy concept, the energy utilization efficiency of the system is deeply analyzed.
最后，采用火用分析方法对系统优化前后的能源利用效果从“质”和“量”的角度进行了深入的分析。
Therefore, virus free potato has a higher energy utilization efficiency and more accumulated photosynthate which are of benefit to high yield.
因而，脱毒马铃薯光能利用率高，积累的光合产物多，有利于高产。
The technology of combined cold, heat and power (CCHP) could improve primary energy utilization efficiency, and reduce environmental pollution.
冷热电联产(CCHP)技术可提高一次能源的利用率，降低环境污染。
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