| 单词 |
retro-reflector |
| 释义 |
ˈretro-reflector Also retroreflector. [f. retro- + reflector.] A device which reflects light back along the incident path, irrespective of its angle of incidence.
1961Space Res. II. 290 A satellite carrying a radio beacon and an optical retro-reflector. 1969Daily Tel. 21 July 17/3 The device which may foretell earthquakes is the laser ranging retro-reflector. It simply reflects..narrow beams of laser light sent up to it from earth. 1976Sci. Amer. Feb. 51/1 The first is the lunar laser-ranging experiment, in which pulses of laser light are beamed through a telescope on the earth at one of the retroreflectors placed on the moon by the Apollo astronauts. |

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