| 单词 | range safety crew |
| 释义 | > as lemmasrange safety crew range safety crew n. a team of people responsible for ensuring safety on a missile range, esp. by monitoring, and if necessary destroying, any missiles which stray off course. ΚΠ 1965 Pacific Stars & Stripes 24 July 2 (caption) Missiles launched over the Pacific are tracked by this range safety crew. Should the missile veer from course, the range safety officer..will press a button and destroy it. 1966 Electronics 17 Oct. 37/1 Range safety crews must monitor the handling and launch of a rocket on the ground, and then watch such flight parameters as critical velocity, position and impact prediction for signs of danger. < as lemmas |
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