| 释义 |
flybyenUK
fly·by also fly-by (flī′bī′)n. pl. fly·bys also fly-bys A flight passing close to a specified target or position, especially a maneuver in which a spacecraft or satellite passes sufficiently close to a body to make detailed observations without orbiting or landing.flyby (ˈflaɪˌbaɪ) n, pl -bys (Astronautics) a flight past a particular position or target, esp the close approach of a spacecraft to a planet or satellite for investigation of conditionsfly′by` or fly′-by`,
n., pl. -bys. 1. the flight of a spacecraft close enough to a celestial object, as a planet, to gather scientific data. 2. a. a low-altitude flight of an aircraft for the benefit of ground observers. b. flyover (def. 1). [1950–55, Amer.] TranslationsflybyenUK
flyby (flÿ -bÿ) A trajectory that takes a spaceprobe close to a planet or satellite but does not permit it to enter an orbit about the body or land on it.flyby[′flī‚bī] (aerospace engineering) A close approach of a space vehicle to a target planet in which the vehicle does not impact the planet or go into orbit around it. Also known as swing-by. |