hydroline, hydro, Hydrofoil Advanced Research Study Program, hydrological time series with seasonality, hydro-electric engineering construction, hydroxymethylglutaryl CoA cleavage enzyme, hydroxymethyl deoxycytidine monophosphate, hydroxyethylene diamine tetracacetic acid, hydrothermal filling and metasomasis type, hydroquinone-containing bleaching cream, hydro-hydro interconnected power system, hydrological and hydraulic characteristic 返回 hydrophanous