Basically, lines can be used in three ways in drawing: to be used as contour lines, hatching lines, and cross-hatching lines.
举一反三
- Which of the following lines are used as dimension lines， extension lines， leader lines， construction lines， section lines and projection lines？（ ） A: Thin phantom lines B: Thin solid lines C: Thin center lines D: Wavy lines
- Mooring lines include head lines, stern lines, spring lines and breast lines.? 正确|错误
- How many regions would 79 lines separate a 2-D plane? Assume that no three lines cross at the same point, i.e. lines only cross in pairs.<br/>______
- 中国大学MOOC: Mooring lines include head lines, stern lines, spring lines and breast lines.
- The contour lines on the plane are the lines parallel to the H-plane in the plane.