影响发射区远界和杀伤区远界的主要因素是火力单元的目标通道数和导弹的发射间隔。

Main parameters of determining distant boundary of the launching zone and the kill zone are target passage number of a fire unit and time interval of launching missile.

没有他的英勇奋战，他受伤的分队长不可能被安全地带出火力杀伤区，转移到伤亡收集点(casualty collection point.)

Without his heroic efforts, his wounded commander would not have been moved safely out of the kill zone to the casualty collection point.