Through analysis, the burning of and properties of movement of the propellant beds have been further revealed for the initial ballistic stages.
通过分析，进一步揭示了药床在起始弹道阶段的燃烧和运动特性。
2
The main differences between warhead and bait are their movement ways in the midcourse of ballistic missiles, and rolling motion is the major way for bait.