THE DISTANCE MEASURING EQUIPMENT LOCKS ON AT 5 MILES. 测距设备(测距机简称 DME)锁定在5英里处。
ALOCK ON (v)LOCKS ONLOCKED ONLOCKED ON (常指使用用雷达跟 踪)锁定(v)
BTo find and stay on a target or signal automatically 自动找到目标或信号并 持续跟踪
ALOCK ON (v)LOCKS ONLOCKED ONLOCKED ON (常指使用用雷达跟 踪)锁定(v)
BTo find and stay on a target or signal automatically 自动找到目标或信号并 持续跟踪