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单词
F line
释义
F line
[`ef ´līn]
SPECTROSCOPY
A green-blue line in the spectrum of hydrogen, at a wavelength of 486.133 nanometers.
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P Cygni star
PD
Pd
PDA
P display
PDL
pdl-ft
PDM
PDMS
PDR
PDU
pea
peach
peachblossom ore
pea coal
Peacock
peacock blue
peacock copper
peacock ore
pea gravel
peak
peak amplitude
peak analysis
peak area
peak attenuation
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