本文对中国林业信息网数据库资源进行评价，力求通过理论模型的具体应用，探索提高数据库建设质量和服务水平的策略。
This paper appraises the database resources of the Chinese forestry information network and explores to improve the database construction quality and the service level through the theoretical model.
结论：该评价模型可为零售连锁药店改进服务水平提供指导。
CONCLUSION: This evaluation model serves as guidance for the improvement of service level of retail chain pharmacy.
使用实际案例验证了该策略和模型能够带来显著的订货和库存量的下降和服务水平的提高。
With a specific case study, the policy and the model lead to the decrease in ordering and inventory quantity and remarkable improvement in service level.
利用定量模型和GIS方法，从空间布局、服务范围以及航空客流分布等方面来研究中国的机场体系及其服务水平。
Based on the quantitative model and GIS method, this paper analyses the airports' spatial distribution, service coverage and air passengers flow in China.
建立包含一个备件配送中心和几个相同4s店的横向补货模型，得到横向补货的库存成本公式和服务水平公式。
To establish a parts distribution center and some same horizontal 4s shop replenishment models, and it gets a inventory cost formula of horizontal replenishment and a formula of service level.
本文考虑冬季道路养护中的服务水平、车队规模等约束条件，建立了实习信息下除雪车辆优化调度的整数规划模型。
This paper established an integer programming model of the snow emergency vehicle scheduling which considered the realistic constraints such as the fleet size and the level of service.
该模型简单易行且参数通过检测器即可直接获得，可以用于评价快速路的服务水平。
The model is uncomplicated and get parameter directly through sensor, which could be used on appraising urban expressway service level.
研究仿真模型的输入参数如订货提前期、客户需求间隔对横向补货库存系统服务水平、库存成本的影响，得到一些结论。
It inputs parameters such as lead time, customer demand inventory replenishment interval of the horizontal level of service and inventory costs. And some conclusions are drawn.
公路服务用户满意度模型是评价公路服务质量、提高公路服务水平的重要工具。
Customer satisfaction model of highway service is a very important tool to evaluate and improve service quality of highway sector.
继而，选取时间变量作为权重，建立基于站点服务水平和路段服务水平的公交线路区段服务水平加权评价模型。
Thereby, the weighted service evaluation model in the segment level is established using the time as the weight, based on the service level at the stop and the service level in the section.
最后，对所设计的模型与借鉴现行《交通工程手册》的服务水平直接分级法的性能进行了比较。
At last, the proposed model is compared with the direct classification method referred from current traffic engineering manual.
使用实际案例验证了该策略和模型能够带来显著的订货和库存量的下降和服务水平的提高。
With a specific case study, the policy and the model lead to the decrease in ordering and inventory quantity and re...
然后，将本模型与报童模型进行比较，证明采用替代策略可以提高销售商的收益及服务水平。
Then, we compare our model with the newsboy model, and prove that the profit and sever level can be improved by using the substitution policy.
然后，将本模型与报童模型进行比较，证明采用替代策略可以提高销售商的收益及服务水平。
Then, we compare our model with the newsboy model, and prove that the profit and sever level can be improved by using the substitution policy.
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