2.4 comprehensive problem analysis Chapter 3:proiection transformation Key points in projection ransformations of planes,application of projection transformation. 3.1 projection transformation overview 3.2 proiection transform method Three kinds of transformation of a line three kinds of transformation of a plane alculating the real size(aplane)by method Chapter 4:curve and surface The key points in this chapter:drawing of spiral surface. 4.I formation and proiection of curve The drawing method of 4 2 forma method Explain the formation and projection of equilateral spiral surface Chapter 5:the projection of the surface and itsintersection Key points in this chapter:cutting and intersection line 5 I planar solid and its cutting two planar solids. 5.2 curved surface and its cutting The projection of the curved surface and the intersection of the curved surface and the intersection of the planar solid and the curved surface 5.3the intersection of curved surface and curved surface The drawing method of curved surface intersecting line Chapter 6:axonometric projection Key points in this chapter:isometric axonometric projection 6.I basic knowledge of axonometric projection 6 2 isometric axo Chapter7:basic knowledge of drafting standards Key points in this chapter:basic drawing rules. 7.I basic drafting standards 7.2 plane graphics analysis and its drawing steps Chapter:view of the composite solids 8.I the formation and characteristics of three views 8.2 combination mode of composite solid 8.3 drawing steps of three views 8.4 read drav gsof composite oli s of reading drawings,different types of reading methods on different composite solid,examples. 8.5 dimensioning of composite solid Standards of composite solid dimensioning.attention problems.dimensioning ethod of basic solid and composite solid. Chapter 9 expres n metho ne parts Key points in this chapter:introduction and comprehensive application of various methods of expression. 9.1 views 2.4 comprehensive problem analysis Chapter 3: projection transformation Key points in this chapter: projection transformations of lines, projection transformations of planes, application of projection transformation. 3.1 projection transformation overview 3.2 projection transform method Three kinds of transformation of a line, three kinds of transformation of a plane, calculating the real size of line or angle of a line (or a plane or a line and a plane) by projection transform method. Chapter 4: curve and surface The key points in this chapter: drawing of spiral surface. 4.1 formation and projection of curve The formation and drawing method of cylindrical helix. 4.2 formation and expression method of surface Explain the formation and projection of equilateral spiral surface. Chapter 5: the projection of the surface and its intersection Key points in this chapter: cutting and intersection line. 5.1 planar solid and its cutting The projection of a planar solid, a planar solid cut by a plane, intersecting between two planar solids. 5.2 curved surface and its cutting The projection of the curved surface and the intersection of the curved surface and the intersection of the planar solid and the curved surface. 5.3 the intersection of curved surface and curved surface The drawing method of curved surface intersecting line. Chapter 6: axonometric projection Key points in this chapter: isometric axonometric projection. 6.1 basic knowledge of axonometric projection 6.2 isometric axonometric projection Chapter 7: basic knowledge of drafting standards Key points in this chapter: basic drawing rules. 7.1 basic drafting standards 7.2 plane graphics analysis and its drawing steps Chapter 8: view of the composite solids Key points in this chapter: reading drawings of composite solid; dimensioning of composite solid. 8.1 the formation and characteristics of three views 8.2 combination mode of composite solid 8.3 drawing steps of three views 8.4 read drawings of composite solid The basic methods of reading drawings, different types of reading methods on different composite solid, examples. 8.5 dimensioning of composite solid Standards of composite solid dimensioning, attention problems, dimensioning method of basic solid and composite solid. Chapter 9: expression method of machine parts Key points in this chapter: introduction and comprehensive application of various methods of expression. 9.1 views