A storm continued violently throughout the day, uprooting trees and flattening crops.

The overcorrection of visual acuity refers to insufficient corneal flattening, which limits the improvement of uncorrected visual acuity and needs to wear frame spectacles as a supplement during the day.

In<br/>a strain ellipsoid for rock deformation, the maximum strain axis is<br/>parallel to() A: the<br/>maximum flattening surface B: the<br/>maximum tensile surface C: the<br/>maximum stretching direction of minerals D: the<br/>maximum shearing surface