单项选择题
A.族类型FamilyB.样式类型PartC.对象描述DescriptionD.目录类型Catalog
A.图形组锁、Graphic Group LockB.ACS 平面锁、ACS Plane LockC.ACS 平面捕捉锁、ACS Plane Snap LockD.隐含开关锁、Imply Relationship
A.MicroStation 、ProjectWiseB.MicroStation、FacilitiesC.AutoCAD、ProjectWiseD.AutoCAD、Facilities