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单词
airy disk
释义
airy disk
noun
Usage:
usually capitalized A
:
the bright central spot in the system of diffraction rings formed by an optical system with light from a point source (as a star)
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-ier
ieroe
ies
-ies
-iest
iest
if
IF
if
IF
IF3G
ifafa
ifafa lily
if anything
if-bet
if-clause
ife
-iferous
iferous
iff
IFF
IFF
iffen
iffy
ifil
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更新时间:2025/11/8 1:41:05