Surface water resources characteristics, such as rainfall, runoff, water quality and so on, were analyzed using the long-term observation data in Yantai City.
根据烟台市多年统计资料，从降水、径流、水质、蒸发等方面对水资源特性进行了分析。
Therefore, to research and perfect the theory study and calculating method of temperature field in concrete box-girder basing on long-term observation data is the purpose of this dissertation.
论文旨在混凝土公路箱梁桥温度场的长期观测数据基础上深入研究并完善公路桥梁混凝土箱梁温度场的理论与计算方法。
The long - term groundwater observation data and hydrogeological data are used in the calculation of hydrogeological parameters.
并利用地下水长观资料及水文地质资料，对其水文地质参数进行了计算。
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