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镧
鑭
lan2
镧 lán - lanthanum (chemistry)
strokes | 17 |
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radical | |
strokes after radical | 12 |
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镧系元素
鑭系元素
lan2 xi4 yuan2 su4
镧 系 元 素 lán xì yuán sù - lanthanoid (rare earth series), namely: lanthanum La57 鑭|镧, cerium Ce58 鈰|铈, praseodymium Pr59 鐠|镨, neodymium Nd60 釹|钕, promethium Pm61 鉕|钷, samarium Sm62 釤|钐, europium Eu63 銪|铕, gadolinium Gd64 釓|钆, terbium Tb65 鋱|铽, dysprosium Dy66 鏑|镝, holmium Ho67 鈥|钬