【判断题】Two lines are parallel in space provided that their respective projections on two projection planes are parallel.
【判断题】If two lines in space are intersection, their projections will intersect also.
【判断题】Whe two neighboring surfaces are in tangent condition, there is no line between their projections
【判断题】Two projections give 3 coordinates of a point.
【判断题】零售商品的调价与削价是相同概念,都是对残次冷背商品进行价格上的调整。( )
【单选题】What two types of projections give a pictorial view of the object without convergence?
A.
orthographic and perspective
B.
oblique and axonometric
C.
perspective and oblique
D.
isometric and orthographic