英文含义
MIRV的全称：Multiple Independently Targetable Reentry Vehicle (aka Multiple Independently Targeted Reentry Vehicle) | 中文意思：───多弹头(aka多弹头分导再入飞行器)
MIRV的全称：Multiple Independent Reentry Vehicle | 中文意思：───多弹头分导导弹
MIRV的全称：Major Item Requisition Validation | 中文意思：───主要项目申请书的验证