distortion measuring set 失真测定器 ; 失真测量装置
harmonic distortion measuring set [电子] 谐波失真测量设备
isochronous distortion measuring set [自] 等时畸变测试器
telegraph distortion measurement set 电报失真测量装置
transmission distortion measuring set 传输失真测量仪
Indication Set of Projective Distortion 为目标透视失真的表示集
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