Hilbert

例句：

1. 1. The physicist Hilbert is known for his work on the foundations of mathematics.
   这位物理学家希尔伯特因其在数学基础领域的工作而闻名。
2. 2. In the field of quantum mechanics, Hilbert spaces are fundamental concepts.
   在量子力学领域，希尔伯特空间是基本概念。
3. 3. The Hilbert space theory has revolutionized the study of complex systems.
   希尔伯特空间理论已经彻底改变了对复杂系统的研究。