Chinese 稀土元素（礦物） Cited by user ThomasYehYeh on 06 Jun 2022 稀土元素 (rare-earth element，REE)，也稱為稀土金屬或（根據上下文）而稱為稀土氧化物，或是 lanthanides（鑭系元素）（鑭系元素是第57號元素鑭到71號元素鑥（或稱鎦）共15種元素的統稱）.
English Rare-earth element Cited by user Belangier on 05 Apr 2018 A rare-earth element (REE) or rare-earth metal (REM), as defined by IUPAC, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen…