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подушкообразная дисторсия stresses
cartogr.	cushion-shaped distortion
Makarov.	pin-cushion distortion; pincushion effect
math.	cushion-like distortion; pincushion type distortion
media.	pin cushion distortion
tech.	pillow distortion; pincushion distortion; pillow-shaped distortion
подушкообразная положительная дисторсия
astr.	cushion distortion (Yan)