释义 |
differential leveling differential leveling[‚dif·ə′ren·chəl ′lev·əl·iŋ] (engineering) A surveying process in which a horizontal line of sight of known elevation is intercepted by a graduated standard, or rod, held vertically on the point being checked. differential levelingThe process of establishing the difference in elevation between any two points by using a level, 1 and a leveling rod. |