vanishing point

名词 n.
中文释义

英文释义

名词 n.
  1. The point in a perspective drawing at which parallel lines receding from an observer seem to converge.
    — These formulae . . . give for the vanishing point of a set of parallel lines whose common azimuth is α and declivity δ: η=d tan α, ζ=d tan δ sec α.
  2. The situation in which, place where, or point in time when some object or phenomenon is no longer observable or notable.
    — At 8h 35' 4", the least dent possible, quite black, appeared in the sun's limb. And at 8h 35' 6", the limb was restored to its perfect form, there having been a small trembling light, between the narrow watery border of Venus and the vanishing point of contact in the sun's limb for these two seconds of time.

词形变化

vanishing points plural
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