He was used to working with cards and putting things in rows and columns by suit.
他曾经玩纸牌,来将它们用纵列和横列的排列出来。
And he traveled by train. And so to pass the time, he would play solitaire.
他坐火车旅行,为了打发时间,他会玩纸牌。
And, if you laid this out in a table, as Mendeleev did with his cards, you would find that the local maxima all occur roughly in the same horizontal position from the end points of the rows.
如果你们这些放到一张表格上去,像是门捷列夫用纸牌做的那样,你会发现局部的最高点,会出现在同一个水平高度,从这些行的最后一点。
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