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单词
zone plate
释义
WordReference Random House Unabridged Dictionary of American English © 2024
zone
′
plate′,
[
Optics.
]
Optics
a plate or screen with alternating opaque and transparent concentric rings that focus light by diffraction.
1895–1900
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free radical
free-range
free reach
free reaching
free rein
free ride
free rider
free-riding
free safety
free school
free-select
free sheet
freesia
free silver
free-silver
free skating
free socage
free soil
free-soil
free-soiler
free-soilism
free soil party
free space
free speech
free-spending
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更新时间:2026/6/23 2:44:10