Based on the error analysis of the algorithms based on average speed and average travel time, this paper promoted the urban traffic situation evaluation methods based on probe vehicle data.
本文在分别对基于平均速度和基于平均通过时间的算法误差分析的基础上，提出了基于浮动车技术的城市路况计算方法。
Based on these analysis, methods for improving data transmission rates in two representative applications of WPAN are proposed based on characteristics of these applications.
最后分析了无线个域网两种典型应用环境的特点，并根据前面的结果分别给出了这两种应用环境下提高数据传输速率的方法。
METHODS: The analysis was conducted using the method of defined daily use and sequence of consumption sum based on the raw data retrieved from Hospital Drug Inventory Management System.
方法：根据我院“医院药品库存管理系统”的原始数据资料，采用限定日剂量法和销售金额排序法进行分析。
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