| 单词 | station-keeping |
| 释义 | > as lemmasstation-keeping station-keeping n. and adj. Nautical, Aeronautics, and Astronautics (a) n. the maintenance of the proper relative position of ships, planes, etc., in a particular formation or moving squadron; (now also) the maintenance of the orbit of a satellite; (b) adj. that keeps its relative position or orbit; (also) that ensures a proper relative position is maintained. ΘΚΠ society > travel > travel by water > [noun] > sailing in company > maintenance of proper position station-keeping1871 1871 Times 31 July 8/1 The care with which I generally carry out my duties, more especially as regards station-keeping. 1908 W. Henderson Seamanship xvii. 420 In Quarter Line or on a Line of Bearing, station-keeping is a more troublesome operation than in line ahead. 1942 Life 14 Sept. 38/2 Our planes were in excellent formation... Station keeping was good. 1962 New Sci. 5 Apr. 799/2 The scheme..envisages 12 station-keeping active-relay satellites. 1993 B. Pattan Satellite Syst. iii. 54 To make corrections in NS and EW station-keeping, satellite on-board thrusters are used. 2005 M. J. L. Turner Rocket & Spacecraft Propulsion (ed. 2) vi. 190 It seems likely that the Hall thruster and ion engine will be the station-keeping device of choice for current and future communication satellites. < as lemmas |
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