electric power network composition

例句：

1. 1.The design of the electric power network is crucial for the efficient operation of the power system.
   电力网络的设计对于电力系统的高效运行至关重要。
2. 2.The development of new technologies in electric power networks has greatly improved energy efficiency.
   电力网络中新技术的发展极大地提高了能源效率。
3. 3. The composition of the electric power network plays a vital role in ensuring the reliability and stability of power supply.
   电力网络的组成在确保电力供应的可靠性和稳定性方面起着至关重要的作用。