英文關鍵字
apparatus
background
closeup
construction
dawn
development
engineer
engineering
equipment
geodesic
geodesist
geodesy
geodetic
hands
hard
height
industrial
industry
instrument
level
looking
male
man
measure
measurement
morning
mountain
occupation
optical
outdoor
person
point
positioning
receiver
shine
sitting
solving
sunrise
survey
surveying
surveyor
technology
tool
worker
workplace