视线: sight line; line of sight; o ...棱锥: pyramid视线: sight line; line of sight; optical line of sight; sight红外线棱镜: prism for infrared ray多棱锥: polygonal pyramid截棱锥: frustum of a pyramid; frustum of pyramid; truncated pyramid棱锥面: pyramid surface; pyramidal plane棱锥台: frustum棱锥体: pyramid棱锥形: pyramid三棱锥: triangular pyramid色棱锥: colour pyramid双棱锥: bipyramid四棱锥: pysamid; rectangular pyramid斜棱锥: oblique pyramid正棱锥: orthoprism; orthopyramid; regular pyramid视线视线: line of sight有蓬线棱的书籍: back with raised bands等视线: visual isopter电视线: pal; super-v; tvl迹视线: trail sight监视线: pilot wire检视线: sightline可视线: visibility视线, 视轴: visual line
