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单词
Dumbbell Nebula
释义
Dumbbell Nebula
Encyclopedia
理学
行星状星云
释
Dumbbell Nebula
哑铃星云
位于狐狸座的行星状星云。星表编号为M27和NGC6853。因外形类球面,且酷似哑铃而得名。
Astronomy
Dumbbell Nebula
哑铃星云
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FN
FNA
F. N. Cole
F. N. Cole (1861—1926)
f-nef
FNN
F-nuclear magnetic resonance spectrometry for pharmaceutical analysis
F number
F-number
f number
f-number
F-number drift zoom lens
F-number Stabilized Zoom lens
f-number, stop number
FO4
FO4 inverter delay
foam
foam adhesive
foam asphalt regeneration equipment
foam automatic spray fire extinguishing system
foam catcher
foam coating
foam core sandwich structure composites
foam drilling fluid
foam-drive flow
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