T****M
发帖数: 1913 | 1 【 以下文字转载自 Military2 讨论区 】
发信人: puppylsy (dodo), 信区: Military2
标 题: Re: 有关弹道导弹防御方面的知识普及 (转载)
发信站: BBS 未名空间站 (Fri Jan 29 02:14:27 2010, 美东)
1. The missile launches out of its silo by firing its first stage boost
motor (A). 2. About 60 seconds after launch, the 1st stage drops off and the
second stage motor (B) ignites. The missile shroud (E) is ejected. 3. About
120 seconds after launch, the third stage motor (C) ignites and separates
from the 2nd stage. 4. About 180 seconds after launch, third s |
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