surveying instrument consisting of a drawing board and a ruler that are mounted on a tripod; used to sight and map topographical details
A plane table (plain table prior to 1830) is a device used in surveying and related disciplines to provide a solid and level surface on which to make field drawings, charts and maps. The early use of the name plain table reflected its simplicity and plainness rather than its flatness.
例句与用法
1.
Calibration specification for plane tables 平板仪校准规范
2.
Design on plane table - knife drum cutter of the verdant forage harvester 青饲机平板刀式滚筒切碎器的设计研究
3.
Plane table map 平板仪测量图
4.
An indicator or a sighting apparatus on a plane table , used in angular measurement 旋标装置飞机控制板上的指示器或观测仪，用来测量角度
您当前位置：