根据不同的计费方式和通话时间进行通话费用的计算，选出合理的话费区间和选择业务方式-According to different billing methods and talk time calculation of the cost of a call to elect a reasonable range and choice business approach calls

Simulated Annealing attempts to mimic the process of annealing in slowly cooled metal. The atoms rearrange themselves into a near-optimal energy state despite the apparent improbability of this occuring. Simulated Annealing abstracts this with a kind

论文介绍了优化一个MapReduce作业的设置和清理任务来减少在作业的初始化和终止阶段的时间成本(The paper describes setting up and cleaning tasks for optimizing a MapReduce job to reduce the time cost of initializing and ending the job)