AspectRatioFixed is an option for Cell which specifies whether graphics in the cell should be constrained to stay the same shape when they are interactively resized using the front end.
With AspectRatioFixed->False, the shape of an image is determined by the setting for ImageSize.
AspectRatioFixed is an option for Cell which specifies whether graphics in the cell should be constrained to stay the same shape when they are interactively resized using the front end. 
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