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单词 keystone correction
释义

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keystone correction
keystone correction n. Cinematography, Television, and Photography a method of compensating for the keystone effect; the functionality for making such compensations.
ΚΠ
1936 U.S. Patent 2,040,813 2/2 If required, in some systems, the methods for keystone correction in Figs. 1 and 4 may be used together.
1979 Amer. Libraries 10 92/3 The equipment contains a built-in electronic Keystone Correction,..preventing elongated, angular pictures.
2008 C. Tyler X Power Tools i. 15 Keystone correction permits the sides of the image to be slanted..so that the image will appear rectangular when projected onto the screen at an angle.
extracted from keystonen.1adj.
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