They support the 130-year-old idea of their countryman Dmitri Mendeleev (who created the first version of the periodic table of elements).
他们支持他们同胞门捷列夫(他创造了元素周期表的第一版)有130年历史的观点。
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When Dmitri Mendeleev devised his periodic table in 1869, it contained 63 elements; a similar chart in a chemistry classroom now has up to 118 entries.