basis of vector space

例句：

1. 1. The theory of relativity is the basis for all physics theories.
   相对论是所有物理学理论的基础。
2. 2. The company's success depends on its strong foundation in technology.
   公司的成功依赖于其在技术上的坚实基础。
3. 3. The new policy is based on the old one, but with some modifications.
   新政策是在旧政策的基础上修改而来的。