单词 | space navigation |
释义 | > as lemmasspace navigation space navigation n. ΚΠ 1931 J. M. Walsh Vandals of Void iv. 40 A ticklish job..is this of space navigation. 1976 Internat. Aerospace Abstr. 16 23/2 Time intervals in problems of space navigation and communication are often obtained by determining the phase of binary signals. 2005 Independent (Nexis) 29 Dec. 28 The Europeans have united to start a space navigation system that no one else can turn off..or profit from. < as lemmas |
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