| 释义 |
rail gunn.（名词）- A weapon, consisting mainly of conducting metal rails, that uses electromagnetic force to accelerate a projectile to a much greater speed than that achieved by conventional chemical propellant weapons.轨道炮：一种主要由金属横杆组成的武器，其用电磁力来加速飞弹，那种速度比传统化学推动式的武器所能达到的要快上许多
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