hydrologyn.水文学
hydrology characteristics水文特性
hydrology data processing水文数据处理
hydrology and meteorology水文气象
hydrology monitor terminal水情监测终端
hydrology monitoring system水情监测
hydrology estimation method水文估算法
hydrology telemetric systems水情遥测系统
hydrology about frozen earth冻土水文
hydrology and water resource水文学及水资源
hydrology geological feature水文地质特征