left Noetherian ring

例句：

1. 1.The left Noetherian ring is a crucial part of the design.
   左诺瑟兰环是设计中至关重要的一部分。
2. 2. The left Noetherian ring was used to protect the structure.
   左诺瑟兰环被用来保护这个结构。
3. 3.The left Noetherian ring was found to have a unique property.
   研究发现，左诺瑟兰环具有独特的性质。