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| 单词 | rocket tracking |
| 释义 | > as lemmasrocket tracking rocket tracking n. the tracking of a space rocket; usually attributive. ΚΠ 1947 Astro-jet Winter 24 Rocket Tracking Mechanisms. When a research rocket is fired, it is necessary to know the maximum altitude obtained. 1962 Polit. Sci. Q. 77 72 The United States has established a rocket tracking station there. 1971 ‘D. Halliday’ Dolly & Doctor Bird ii. 24 There are four main rocket-tracking stations in the Bahamas. 2008 W. P. McCray Keep watching Skies! iii. 74 John T. Mengle, an expert on rocket tracking at the Naval Research Laboratory. < as lemmas |
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