Terms for subject Earth sciences containing 音

Chinese	English
光学录音	photographic sound recorder
可变磁阻拾音器	variable reluctance pickup
地音探测器分析仪	geophone analyzer
天然音频电磁法	audio-frequency magnetics
录音天气广播	transcribed weather broadcast
拾音器	pick up
标量音频磁大地电流系统	scalar audio magnetotelluric system
绝对噪音测定表	objective noise-meter
语音数据响应系统	voice data response system
谐波可控源音频大地电磁法	harmonic controlled source audio-frequency magnetotellurics
音频工程学会美	Audio Engineering Society
音频带宽	audio bandwidth
音频带通滤波器	audio bandpass filter
音频终端设备	voice-frequency terminating equipment
音频重叠	audio frequency overlay