副鏡
ふくきょう · fukukyou
noun
Secondary mirror (in a reflecting telescope)
Save your words
Create a free account and they will be waiting in your review deck.
or with email
Free · no card · your words are kept
ふくきょう · fukukyou
Secondary mirror (in a reflecting telescope)
Create a free account and they will be waiting in your review deck.
Free · no card · your words are kept
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