cf. line, n.2 11. Also transferred with reference to the transmission of radio waves, etc.; frequently attributive (with hyphens); line-of-sight vel…
| 单词 | θ65459 |
| 释义 | the world > physical sensation > sight and vision > [noun] > line of sight (6) line of sight1559 cf. line, n.2 11. Also transferred with reference to the transmission of radio waves, etc.; frequently attributive (with hyphens); line-of-sight vel… visual line?a1560 the direct line from the eye to the object or point of vision; the line of sight. ray1625 A line of sight. Chiefly in visual ray (see visual, adj. 1c). eyeline1664 A line from an observer's eye to the object viewed; a line of sight; Perspective the horizon line, on which the vanishing point is located… line of collimation1687 The adjustment of the line of sight of a telescope, etc. line of collimation: the line of sight or optical axis. error of collimation: the amount… sight-line1859 (a) (see quot. 1859); (b) a straight line extending from the eye of a spectator to an object or area being watched; spec. a line from the eye of a… |
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