Some coecivity theories based on the different defect models, such as the nucleation theory, the pinning theory, the thermal activation theory, and the starting field theory are briefly reviewed.是什么意思_Some coecivity theories based on the different defect models, such as the nucleation theory, the pinning theory, the thermal activation theory, and the starting field theory are briefly reviewed.在线翻译_英语_读音_用法_例句