Battlefieldsn.杀戮战场（BBC的纪录片）battlefieldn.战场；斗争；争论点Battlefield Coordination Element战场协调分队battlefield situation assessment战场态势评估Battlefield Return on Investment投资战场回报Battlefield Surveillance Devices战场监视装置battlefield optical ranging unit野战用光学测距仪Battlefield landform information战场地形信息battlefield reconnaissance radar战场侦察雷达Battlefield Communications Review战地通信检查Battlefield Interdiction Aircraft战场空中遮断飞机battlefield supply transportation战场物资运输