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| 活動模型步驟 (A synonym for an action from the viewpoint of an activity model. When an action is contained within an activity model, it is referred to as an activity model step) | |||
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| 活動模型步驟 (A synonym for an action from the viewpoint of an activity model. When an action is contained within an activity model, it is referred to as an activity model step) | |||
