在工具栏上有一个过滤器按钮，可以限制显示的关系集。
There is a filter button on the toolbar to restrict the set of relationships that are shown.
一个绘图工具。可以从工具栏中选择绘图项，同时提供给图片更多的过滤器和效果。
This is a painting - tool . you can choose several drawing options from a toolbar and you can apply much filters and effects to the pic . pls . give feedback.
应用推荐