频率范围超过 meaning in Chinese

audiometer with a frequency range extended beyond hz

Spectrum analyzer tracking generator which extends operation over 1 ghz frequency range 0 . 15 to 1050 mhz
基础上发展而来的，它的频率范围超过1ghz 0 . 15mhz 1050mhz
What is an active protection , elementary : mike or receiver of the signal - an amplifier , 1 transistor - a capacitor with changeable resistor - an output on speaker or emitter
频率范围超过100千兆赫，采用材料反射体屏蔽，具有高介电常数，导磁性，水或镁7分水作为遮盖金字塔，填充物- - -一个吸收器- - -石墨,碳。也可以建造积极保护方式电容器。