| 摘 要： | Space technology has developedrapidly for dozens of years,espe-cially since the former USSRlaunched its first artificial earthsatellite,Sputnik-1 in 1957,alarge number of various satellites,space stations and space probes havebeen put into orbits and space shut-tles and manned spaceship have al-ways travelled to and fro betweenthe earth and outer space.In orderto suit the needs of the developmentof space technology and space activ-ities,the United Nations has for-mulated several international
|
