| ARC | Arc | Arc ARC; |
| ATTDEF | AttributeDefinition | AttributeDefinition ATTDEF; |
| ATTRIB | AttributeReference | AttributeReference ATTRIB; |
| CIRCLE | Circle | Circle CIRCLE; |
| DIMENSION | Dimension | Dimension DIMENSION; |
| ELLIPSE | Ellipse | Ellipse ELLIPSE; |
| HATCH | Hatch | Hatch HATCH; |
| INSERT | BlockReference | BlockReference INSERT; |
| LEADER | Leader | Leader LEADER; |
| LINE | Line | Line LINE; |
| LWPOLYLINE | Polyline | Polyline LWPOLYLINE; |
| MLINE | Mline | Mline MLINE; |
| MULTILEADER | MLeader | MLeader MULTILEADER; |
| MTEXT | MText | MText MTEXT; |
| POLYLINE | Polyline | Polyline POLYLINE; |
| RAY | Ray | Ray RAY; |
| REGION | Region | Region REGION; |
| SOLID | Solid | Solid SOLID; |
| SPLINE | Spline | Spline SPLINE; |
| TABLE | Table | Table TABLE; |
| TEXT | DBText | DBText TEXT; |
| VIEWPORT | Viewport | Viewport VIEWPORT; |
| WIPEOUT | Wipeout | Wipeout WIPEOUT; |
| XLINE | Xline | Xline XLINE; |
原文：http://www.cnblogs.com/swtool/p/5406927.html