0度及其附近仰角
0 deg and its nearby elevation angle
P轴仰角
elevation angle of P axis
穿孔机仰角
the angle of altitude of punching machine
低仰角测量
low elevation measurement
低仰角扫描
negative elevation angle scan
方位角和俯仰角估计
azimuth and elevation estimation
方位角和仰角数据输出
azimuth and elevation output
方位角-仰角指示器
azimuth elevation indicator