NRAB

例句：

1. 1. The NRAB is a new type of material that has been developed recently.
   NRAB是一种最近开发的新型材料。
2. 2. The NRAB is used in many different applications, including electronics and aerospace.
   NRAB在许多不同的应用中被使用，包括电子和航空航天。
3. 3. The NRAB is a versatile material that can be used for various purposes.
   NRAB是一种多功能的材料，可以用于各种目的。