其他种类的磁铁可以用在涡轮机上，稀土金属可以循环使用。
Other types of magnets could be used in turbines, and rare earth metals could be recycled.
以赛车为例，如果一名驾驶员在撞车后被送往医院，胶囊中带有的金属就会使核磁共振扫描失效，因为核磁共振仪最核心的装置是一块强磁铁。
In motor racing, for instance, if a driver is taken to hospital after a crash the metal in the capsule would prevent the use of an MRI scanner, which is essentially a powerful magnet.
稀土金属共有17种，也被用于制造激光、磁铁、相机镜头、电脑存储芯片，还有其他各种用途。
The metals, 17 in all, are also used to make lasers, magnets, camera lenses, computer memory chips and more.
应用推荐