测视板 觇板 觇标

sightingboard  detail>>

觇板, 测视板

sighting board  detail>>

测视板

sighting board  detail>>

视板

ophthalmic placode  detail>>

觇板

boning board sight board sight vane sighting board sightingdisc target ...  detail>>

觇标

surveyor's beacon; beacon; target ◇觇标扭转 distortion of tower  detail>>

测视

sight  detail>>

活觇标

movable target  detail>>

目标，觇标

target  detail>>

觇标点

marked point  detail>>

觇标杆

target rod  detail>>

觇板面积

target area  detail>>

觇板水准尺

target rod target staff  detail>>

测量觇标

survey signal survey targets  detail>>

反觇标定法

backsighting method of orientation method  detail>>

固定觇标

fixed target stationary target  detail>>

活动觇标

movable target portable tower  detail>>

偏心觇标

eccentric signal  detail>>