平面测量 píngmiàncèliáng plane surveying, planimetering Origin Definitions Defs Strokes Stroke Words Sentences Sents 平面 píngmiàn noun plane (geometry) a flat surface; in mathematics, a surface containing all the straight lines that connect any two points on it测量 測量 cèliáng verbnoun to measure to determine dimensions, quantity, or capacity of something using instruments or tools; to survey land