Siegel modular form

例句：

1. 1. The Sigel modular form is a mathematical concept that has been studied for decades.
   西格尔模态形式是一个数学概念，已经被研究了几十年。
2. 2. In mathematics, the Sigel modular form is used to solve equations involving complex numbers.
   在数学中，西格尔模态形式被用来解决涉及复数的方程。
3. 3.The Sigel modular form is also used in cryptography to ensure the security of communication channels.
   西格尔模态形式也在密码学中使用，以确保通信通道的安全。