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一、填空题(每空2分,共40分)1.爱因斯坦曾说过,磁场在物理学家看来正如他坐的椅子一样实在.磁场虽然看不见、摸不着,但可以通过它对放入其中的产生力的作用来认识它,还可以用来形象地描述它.2.我国宋代的学术著作(《梦溪笔谈》)中有如下一段叙述:“方家(指精通某种学问的行家)
First, fill in the blank (2 points for every 40 points) 1. Einstein once said that the magnetic field appears to the physicist as if he were sitting in a chair. Although the magnetic field is invisible and intangible, it can pass through it. It can also be used to describe it in a visual way. 2. The academic writings in the Song Dynasty (“Meng Xi Bi Tan”) have the following narrative: “Fang Jia (refers to some kind of proficiency Academic scholar