铁路固定设备。通讯和信号装置架空线路用器材。钢筋混凝土电杆上横梁固定用板。
Fixed railway installations. equipment for overhead telecommunication and signalling lines. plate for securing cross - pieces to reinforced concrete posts.
铁路固定设备。通讯和信号装置架空线路用器材。木电线杆钭撑用卡箍。
Fixed railway installations. Equipment for overhead electric telecommunication and signalling lines. Bracing collars for wooden posts.
如果用这个频段的有源雷达来探测隐身飞机时，它会受到广播、电视和通讯信号的干扰，而无源雷达系统则不受这种干扰的影响。
If, on this frequency, the hiding aircraft is detected, the active radar will be interfered by the signals from the broadcast station, TV and communication stations, but the passive radar will not.
如果用这个频段的有源雷达来探测隐身飞机时，它会受到广播、电视和通讯信号的干扰，而无源雷达系统则不受这种干扰的影响。
If, on this frequency, the hiding aircraft is detected, the active radar will be interfered by the signals from the broadcast station, TV and communication stations, but the passive radar will not.
应用推荐