摘要以旋转椭球体面上某点为原点建立一个大地坐标单位活动坐标架。
In this paper, unit moving trihedron is first constructed for a point on the surface of a revolution ellipsoid.
一个XPDL过程还可以在一个过程图中包含图形信息，如活动在过程图中的坐标。
An XPDL process also includes the graphical information such as the coordinates of the activities in a process diagram.
然而，用视觉形式来演示活动发生的顺序，让我们来看看流程图，该流程图展示了我们在典型DBO项目遭遇到活动流程的坐标。
However, to show the overall sequence of events in a visual form, let us look at the flow chart which shows the coordinated flow of events which we have envisaged in a typical DBO project.
应用推荐