求翻译：事件结构可以用图形来描述，其中事件用实心圆圈表示，旁边则标注引起该事件的动作，事件结构的因果关系用带有箭头的实线表示，矛盾关系用虚线表示，而没有标注因果关系和矛盾关系的事件间则存在并发关系。是什么意思？

Event structure may be described using a graph, in which the event is represented by a solid circle, and the label next to the action that caused the event, the causal relationship of the event structure is represented by the solid lines with arrows, contradictory relationship is indicated by dotted

Event structure can be used to describe graphics, where the events, with a solid circle indicates that the label beside the motion of the structure of the event, a causal relationship with the arrow of the real-time line, a dotted line relationship conflicts, and there is no causal relationship betw

The event structure may use the graph to describe, in which event indicated with the solid circle, side labels causes this event movement, the event structure causal relation with has the arrow solid line to indicate, the contradictory relations indicated with the dashed line, but has not labelled t

Graphic structure can be used to describe the event, where the event with a solid circle represents, is marked next to the action that caused the event, event structure indicated by solid lines with arrows of causation, contradictory relations indicated by a dashed line, marked on causality and cont

正在翻译，请等待...