[Background]The accuracy of transient thermal hydraulic parameter prediction of reactor cores under various working conditions directly affects reactor safety.Mass flow rate and temperature are important parameters of core thermal hydraulics,which are often modeled as t...MORE [Background]The accuracy of transient thermal hydraulic parameter prediction of reactor cores under various working conditions directly affects reactor safety.Mass flow rate and temperature are important parameters of core thermal hydraulics,which are often modeled as time-series prediction problems.[Purpose]This study a...