theoretical basis

例句：

1. 1. The success of the project is heavily dependent on its theoretical basis.
   该项目的成功在很大程度上依赖于其理论依据。
2. 2.The researcher proposed a new theory to explain the phenomenon.
   研究者提出了一个新的理论来解释这一现象。
3. 3. The company's decision was based on sound theoretical considerations.
   该公司的决定是基于合理的理论考虑。