【摘要】 人们通常认为四维和四维以上的空间没有明确的几何意义。本文通过选择合适的“参考点”和提出“空间级”概念，给出了多维空间的几何意义。认为宇宙是一个无限级无限维空间。更多还原

【Abstract】 People usually think that the space of four dimension orabove four dimension has no calcategorical geometry meaning. By choosing the suitable "referenced point" and defining" space Grade", this article gives geometry meaning to multi - dimension space. It points out that the universe is a space with boundless grade, and boundless dimension.更多还原