“the test of ballistic reentry”的概念、定义、翻译、参考文献-科学参考

单词	the test of ballistic reentry
释义	the test of ballistic reentry Encyclopedia 工学弹道式再入试验释 the test of ballistic reentry弹道式再入试验对航天器进行的一种试验研究活动。航天器返回时重新进入地球大气层称为再入。能够耐受再入飞行环境的航天器称为再入航天器。航天器进入大气层后，运动产生阻力，不产生升力，或虽产生升力但不控制升力的大小和方向，称为航天器弹道式再入。对此进行的试验活动称为航天器弹道式再入试验。
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