In an analysis of the process in which Einstein established general relativity it is found that gravitational force is a fundamental problem in nature and even the whole universe.
In an analysis of the process in which Einstein established general relativity it is found that gravitational force is a fundamental problem in nature and even the whole universe.
对爱因斯坦建立广义相对论的过程进行了分析，引力问题是自然界乃至整个宇宙世界的一个基本问题。