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单词
spectroscopic binary
释义
WordReference Random House Unabridged Dictionary of American English © 2024
spec
′
troscop
′
ic bi
′
nary,
[
Astron.
]
Astronomy
a binary star having components that are not sufficiently separated to be resolved by a telescope, known to be a binary only bythe variations in wavelength of emitted light that are detected by a spectroscope. Cf.
visual binary.
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更新时间:2025/7/22 23:24:32