Is it solve from technological means aspect city square of problem design the feasible scheme to propose, it has certain reference value that the region characteristic to the city square is designed.
以及从技术手段层面提出解决问题的城市广场设计可行方案，对城市广场的地域特色设计具有一定的参考价值。
2
Studying the voltage stability in East China Power Grid with the method of characteristicvalue, the problem buses can be found out, and the rational reactive compensation plan is given.
介绍了通过特征值法研究华东电网的稳定性问题，并找出弱母线，给出合理的无功补偿方案。
3
Chaotic mechanism is introduced to normal BP algorithm, and the problem of local limit value for network is solved using global moving characteristic of chaotic mechanism is weight optimization.