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reversal spectrum
释义
reversal spectrum
reversal spectrum
[
ri′vər·səl ‚spek·trəm
]
(spectroscopy)
A spectrum which may be observed in intense white light which has traversed luminous gas, in which there are dark lines where there were bright lines in the emission spectrum of the gas.
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fight against something
fight against them
fight against time
fight against us
fight against you
fight a losing battle
fight among
fight among ourselves
fight amongst
fight amongst ourselves
fight amongst themselves
fight amongst yourselves
fight amongst yourselves/ourselves/themselves
fight among themselves
fight among yourselves
fight among yourselves/ourselves/themselves
fight a rearguard action
fight back
fightback
fight back at
fight back at her
fight back at him
fight back at it
fight back at me
fight back at one
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更新时间:2026/9/8 8:41:45