This allows the complete record set to be retrieved for both Year and Order method and then stitched together on the sc column which is simply a running count (1, 2, 3, 4, etc.).
它可以让完整的记录集用 Year 和 Order 方法检索，然后联合到 sc 列上，它只是运行计数（1、 2、3、4，等等）。
2
The last task group is defined as a set, so the user is free to complete the subtasks in any order.
最后一个任务组被定义为set，所以用户可以用任何顺序随意地完成子任务。
3
The above describes a completeset of information that is necessary in order to determine the complete combustion process.