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单词
back focus
释义
WordReference Random House Unabridged Dictionary of American English © 2024
back
′
fo′cus,
[
Photog.
]
Photography
the distance between the back surface of a lens and the focal plane when the lens is focused at infinity.
1895–1900
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equity stock
equity weighting
equiv.
equiv
equivalence
equivalence class
equivalence principle
equivalence relation
equivalency
equivalent
equivalently
equivalent weight
equivalve
equivocal
equivocally
equivocalness
equivocate
equivocatingly
equivocation
equivocator
equivoque
equuleus
-er
er
era
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更新时间:2025/11/17 6:45:00