摘要
从教学的实际出发,从建立模型的必要性入手,主张从多角度、多层次树立模型意识。
The article is based on practical teaching and the necessity of the establishment of the physics mod- el,holds the setting of the model consciousness from many angles,many level of structures.
基金
张家口市青年专项课题(编号:199820)