短语词组短語terrain -following radar [雷達]地形跟蹤雷達;地形追蹤雷達TFR Terrain C Following Radar 地形跟蹤雷達tfr terrain following radar 地形跟蹤雷達Strike and Terrain Following Radar 打擊與地形跟蹤雷達 返回 terrain following radar