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单词
optical glass
释义
op
tic
al glass
noun
[
mass noun
]
A very pure kind of glass used for lenses.
Optical fibers are made of extremely pure optical glass.
...
Schott, a Carl Zeiss subsidiary, produces optical glass that is widely regarded as the finest in the world.
A powerful internal light will illuminate the perforated 12-metre section near the stop, which will taper off to a tip of optical glass.
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更新时间:2025/7/20 21:32:49