Gates, founder of Microsoft, was the richest person in the United States for the 17th year in a row with an estimated worth of $54 billion, up $4 billion from last year.
微软公司创始人盖茨以540亿美元的资产总值连续第17年蝉联美国首富,他的财富比去年增加了40亿美元。
The COUNT function is very useful to show at any level how many records make up each aggregated row in the summary table.
count函数非常有用,可以在任何级别显示汇总表中的每个汇总行由多少条记录组成。
Since each atom is represented in a separated row, indices can help speed up the search for specific atoms within a given PDBML entry.
由于每个原子都在单独的一行表示,因此索引会非常有助于加速在一个给定pdbml项中对特定原子的搜索。
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