Việt
mặt phẳng ngắm
đường ngắm
Anh
plan of vision
plane of vision
sighting plane
guide line
hairline
line of direction
line of perspective
line of sight
line of vision
sight
visual line
plan of vision, plane of vision, sighting plane
guide line, hairline, line of direction, line of perspective, line of sight, line of vision, plane of vision, sight, visual line /hóa học & vật liệu/