英语释义
1. strong hard-laid line that is used to form the main line of a setline and is usually provided in bundles of 300 fathoms weighing 48, 40, or sometimes 32 pounds
2. the main line of a setline consisting of one or more bundles of groundline
3. the baseline which represents a ground plane in pictures having no indication of spatial depth and upon which all figures and objects are placed irrespective of their real spatial relationship
4. the bottom line of the picture plane of a drawing in linear perspective
5. the bottom line of a photograph
6. the line representing ground level in an architectural plan or drawing
7. foundation, basis