There are two types of activities: knowledge activity and actualactivity.
“知识活力”是怀特海智育思想的核心概念。
2
A level below the change request is the actualactivity assigned to an individual, as shown in Figure 2.
变更请求之下的水平是分配给个人的实际活动，如图2所示。
3
ATAC performs an automatic correlation of the planned mission flight data in the Air Tasking Orders and Airspace Control Orders with actual flight activity tracked by the ship's sensors.