Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Materials with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金或铅。
Materialss with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
Materialss with high densities often contain atoms with high atomic Numbers, such as gold or lead.
高密度材料通常由较大原子序数原子构成，例如金和铅。
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