There are two types of activities: knowledge activity and actual activity.

“知识活力”是怀特海智育思想的核心概念。

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A level below the change request is the actual activity 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。

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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.

舰载传感器跟踪的实际飞行活动时，ATAC系统自动关连空中任务命令和空域控制命令中的飞行计划任务数据。

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It does not measure the actual activity, but can provide clues that some areas are still functional.

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The price boom had a big effect on sentiment and of course terms of trade but in terms of actual activity delivered into the Australian economy, it's been quite modest.

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This helps sales managers to track actual sales activity and compare different sales people.

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