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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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sphincter muscle of common bile duct
sphincter muscle of female urethra, external
uobm
uobo
uobp
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uoc
uoca
uocab
uocava
uocavra
uocb
uocc
uocd
uoch
uocr
uocra
uoct
uocw
uod
uoda
uodf
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uodl
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更新时间:2026/7/5 13:15:41