“场”也是物质存在的一种形态实物是物质,这是人们比较容易理解的,但宇宙中存在着大量的空间,这空间中岂不什么也没有?实际上,物质的存在形态不但有实物,如金、木、水、火、土、气等,而且有场。正是场,充斥着整个宇宙空间。所谓场,根据现在的认识,主要有电磁场、引力场、核力场等。场同实物比较,既有区别,又有许多 “Field” is also a form of material existence. Physical is material, which is easier for people to understand, but there is a lot of space in the universe. Is there nothing in this space? In fact, the existing form of matter is not only in kind , Such as gold, wood, water, fire, earth, gas, etc., but also field. It is the field, full of space. The so-called field, based on current understanding, mainly electromagnetic field, gravitational field, nuclear force field. Field with the physical comparison, there are differences, there are many