多面体上的小覆盖的等变配边类是由它的切表示集所决定的。
For a small cover over a polytope, its equivariant cobordism class is determined by the tangential representation set.
现在讨论的图表是单系列图表（只有一个数据集），表示员工每周工作的天数和每天工作的时间。
The chart under discussion is a single-series chart (having only one set of data), representing the day of the week and the number of hours spent by the employee on that day.
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