We can see that although the graphical notations differ, the main elements for modeling control flow are very similar across the different modeling approaches.
从上面可以看出，虽然不同建模方法的图形符号存在差异，但用于建立控制流模型的主要元素却十分相似。
3
An alternative registration method is to use the enhanced graphical interface of the DB2 Control Center to register remote objects.