对称型高低频电信电缆
paired high and low frequency telecommunication cable
高频电缆组件
high frequency cable module
长途对称电缆
long distance symmetric cable
对称电缆的要求
requirements for symmetrical cable
数字通信对称电缆
symmetrical cables for digital communications
symmetrical category cable
铺设电缆-电缆铺设
Cable assemblies
cable temination equipment
半导体高频电源
high-frequency semicoductor power source
不对称高压脉冲轨道电路
and Asymmetric impulse track circuit
超高频电波刀技术
Ultra high frequeney electtosurgical technique
超高频电磁场
radio frequency electromagnetic field
超高频频段
ultrahigh frequency(UHF) band