A new theoreticalpower loss simulation modal used in low-voltage network has been proposed and corresponding calculation method has been developed.
建立了适用于县级供电企业配电网及低压电网的理论线损计算模型，并且给出模型的计算方法。
2
That is, a deep understanding of the issues and practices involved in the phenomenon improves the valid-ity, sophistication and power of theoretical models developed.
也就是说，对于各种现象中的问题与实践的理解可以促进所设立的理论模型的有效性、完善性和影响力。
3
An Italian company, Kitegen, has come up with a theoretical design for a system that could generate a gigawatt, as much power as a standard coal-fired power station.