Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.
稀土金属，如金属钕和金属皮（金属镨，钕） ，用于稀土磁铁，主要钕铁
磁铁。
Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.
稀土金属，如金属钕和金属皮（金属镨，钕） ，用于稀土磁铁，主要钕铁磁铁。
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