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aperture distortion
commun. 孔阑〔小孔,光栅〕畸变; 孔径失彭
oil 光栅畸变
space 孔径失真; 小孔畸变
tech. 孔径变形; 光阑小孔畸变
telecom. 孔径畸变
aperture distortion
: 2 phrases in 1 subject
Air defense2