action sequence diagram

基本解释

State diagram, activity diagram, sequence diagram and cooperation diagram express the inter-action.
状态图、活动图、时序图和协作图描述系统内部行为。
You can use this diagram to directly code the action handling sequence of the portlet (see Listing2.txt in the download ZIP file below).
您可以使用这个图表来直接为 portlet 的操作处理序列编码（请参阅下面的下载ZIP 文件中的 Listing2.txt）。
The sequence diagram of Figure 1 is simpler than that for the basic course of action because the logic of an alternate course is typically simpler.
图 1的序列图要比基本行动过程的序列图简单，因为备选过程的逻辑通常更简单些。