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occulting disk
释义
occulting disk
occulting disk
[
ə′kəlt·iŋ ‚disk
]
(astronomy)
A small metal disk placed in the focal plane of the eyepiece of a telescope, usually to cover a bright object in order to permit observation of a faint one.
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h_rg363e19.2
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更新时间:2026/6/24 14:31:54