Routh table

例句：

1. 1. The Roth table is used to calculate the taxable income.
   罗思表用于计算应税收入。
2. 2. The Roth table shows the distribution of income across different groups.
   罗思表显示不同群体的收入分配情况。
3. 3. The Roth table was designed to simplify the tax calculation process.
   罗思表的设计是为了简化税收计算过程。