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单词
field lens
释义
WordReference Random House Unabridged Dictionary of American English © 2024
field
′
lens′,
[
Optics.
]
Optics
the lens in an eyepiece that is farthest from the eye and that deviates rays toward the center of the eye lens.
1830–40
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更新时间:2025/11/19 0:44:01