不平衡衰减 meaning in Chinese

u alance attenuation
unbalance attenuation

, communication cables - specifications for test methods - electrical test methods - unbalance attenuation longitudinal conversion loss , longitudinal conversion transfer loss
通信电缆.试验方法规范.电气试验方法.不平衡衰减
Communication cables - specifications for test methods - part 1 - 9 : electrical test methods unbalance attenuation longitudinal conversion loss , longitudinal conversion transfer loss
通信电缆.试验方法规范.第1 - 9部分:电气试验方法.不平衡衰减