all-zero filter  彩色多普勒超声; 全零滤波器; 全零泸波器

impedance zero-phase sequence  零相序阻抗

Zero Impedance  零阻抗

Zero Impedance Branch  零阻抗支路

Zero Impedance Branches  零阻抗支路

zero-zero  零-零跃迁

zero-zero escape system  零高度零速度弹射逃生系统

zero-zero gel  双零值静切力凝胶

zero-zero gelZ  形过滤机

zero-zero seat  零高度/零速度弹射椅

zero-zero transition  零零转变; 零零跃迁; 零零过渡

ZZ-TOP Zero – Zero Telecoms Operating Protocol  零对零电信操作协议

Filter impedance  滤波器阻抗

filter impedance compensator  滤波器阻抗补偿器; 滤器阻抗补偿器

Filter impedance index STI  过滤阻抗系数

active power filter filter  有源电力滤波器

nonreturn-to-zero change-on-zero recording  不归零逢0变化记录

return zero problem around zero-frequency  零频归零问题

Zero Voltage and Zero Current Switching  零电压零电流开关