据《自然》杂志报道,�学家研制出一种以元素锶的原子做钟�的钟,是世界上最精确的钟。锶元素的部分信息如图所示。下列有关说法正确的是 Template


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tomski据《自然》杂志报道,�学家研制出一种以元素锶的原子做钟�的钟,是世界上最精确的钟。锶元素的部分信息如图所示。下列有关说法正确的是 coloring