什么是 horizontal?horizontal是
什么是 horizontal?
- Of, relating to, or near the horizon.--
- Parallel to or in the plane of the horizon. At right angles to a vertical line.--
- Occupying or restricted to the same level in a hierarchy: a horizontal study of verbal ability; a horizontal transfer by an employee.--
- Medicine Of or relating to transmission of infection by contact with or physical proximity to an infected individual or fomite.--