模拟腾讯uc号的实时chat服务模式，结构清晰，功能完整，适合编程者学习-simulation Tencent, the real-time chat services model, a clear structure and functional integrity of the study for programmers

针对当前科技水平不足以有效存储电力的情况下产生的发电机机组组合的问题，考虑负荷平衡、输电线传输容量限制等实际情况产生的约束条件，建立机组组合优化模型，以获得最小的生产成本与给定的调度。-In view of the current level of science and technology would not effective storage power generator unit combination problem, considering the load balance, su