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几年内,磁性更强、重量更轻的磁铁就可以进入市场,用于生产更高效的汽车引擎和风轮机。研究人员需要新型材料,因为目前最好的磁铁使用的是稀土金属。而随着需求的增长,稀土金属的供应正在变得越来越不可靠。
Within a few years, magnets that are more magnetic and lighter can be brought to market to produce more efficient car engines and wind turbines. Researchers need new materials because the best magnets currently used are rare earth metals. With the growth of demand, the supply of rare earth metals is becoming more and more unreliable.