天文重力水准测量
astrogravimetric leveling
天文重力水平
astrogravimetric levelling
水文水力特性
hydrological and hydraulic characteristics
水文水力特征
hydrological and hydraulic characteristic
水文水力学模型
hydrology-hydraulical model
格林标准天文时间
Greenwich mean astronomical time
黄河水利委员会天水水土保持科学试验站
Tianshui Soil and Water Conservation Station of Yellow River Committee
天津市水文水资源勘测管理中心
Tianjin Administration Center of Hydrology and Water Resources Survey
tianjin water resource reconnaissance administration center
Tianjin Survey and Management Center of Hydrologic and Water Resources