rare earth metal deposit

例句：

1. 1.The rare earth metals are used in many electronic devices.
   稀土金属用于许多电子设备中。
2. 2. The rare earth metals are essential for the development of new technologies.
   稀土金属对发展新技术至关重要。
3. 3. The rare earth metals are mined from various parts of the world.
   稀土金属从世界各地开采而来。