Distortions变形distortionn.扭曲；变形；曲解distortionless dialing无失真拨号distortion scale ratio变比Distortion of grinding磨削变形distortions correction畸变修正distortion measurement失真测量,畸变测量distortional component畸变分量distortion coefficient失真系数distortion-invariant畸变不变distortion elimination失真消除,畸变消除distortionfactor meter失真测试器, 失真系数计, 失真度表