大面积弹着点测量系统
large area bullet impact location measuring system
弹着点雷达预测系统
RIPS Radar Impact Prediction System
放射性子弹定位器
radioactive bulletlocator
平均弹着点
mean point of impact {= MPI
平均弹着点误差
error of the mean point of impact
原子弹空中零点定位器
atomic bomb air-zero locator
Brouwer定点定理
brouwer fixed-point theorem