(of a parameter of a spacecraft or an orbit) measured relative to a point on the earth's surface (rather than its centre).
| 单词 | θ207456 | 
| 释义 | society > travel > air or space travel > space flight > 			[adjective]		 > (put) in orbit > measured relative to earth's surface (1)		 topocentric1965 (of a parameter of a spacecraft or an orbit) measured relative to a point on the earth's surface (rather than its centre). | 
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