First, we should lay stress on the combination of historical materials and theory. so as to get a deeper comprehension on historical phenomenon historical laws.
First, we should lay stress on the combination of historical materials and theory. so as to get a deeper comprehension on historical phenomenon historical laws.
其一是注重翔实史料与科学理论的有机结合，求得对历史现象和历史规律的深刻认识。