A Rapidly Trainable Data-driven Real-time Energy Management Strategy for Fuel Cell Hybrid Electric Tractor.- Simulation Study on Steady?state Temperature Rise Distribution of Spring Contact Finger Based on Electrothermal Coupling.- Model for Welding Characteristics of AC High-power Vacuum Contactors.- Lightning Impulse Breakdown Characteristics and Liquefaction Characteristics of C4F7N/CO2 Mixed Gas in Slightly Non-uniform Field.