For gated service discipline, the generating functions of waiting time of customer and polling cycle time are derived, and, by using Markov chain theory, mean of queue length is obtained.
本文对批到达离散时间轮询系统进行研究，在门限服务原则下，推出了顾客等待时间和轮询周期的概率母函数。
In the mean time, the authors put forward some Suggestions on the improvement of Personalized Service?
同时对个性化服务的完善提出了几点建议。
What is called hotel marketing, mean and regard as marketing hotel of subject in proper time, At proper price, and through proper channel, transmit proper hotel products and service to proper guests .
所谓饭店市场营销，是指作为营销主体的饭店在适当的时间，以适当的价格，并通过适当的渠道，将适当的饭店产品和服务传递给适当的宾客。
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