定航线 meaning in English

tramp-liner

When testing begins , the computer of the tested uav flight control system will be connected into the network as a slave . the master of the system will diagnose faults should there be any ; otherwise it will set flight parameters and load flight course data for the slave
检测时，无人机的飞控系统计算机作为从机连入网络，如果从机的飞控系统没有故障，主机将为从机设置飞行参数和装定航线数据；如果有故障，则主机为从机飞控系统诊断故障。