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蟹状星云
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蟹状星云
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理学
蟹状星云
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Crab Nebula
蟹状星云
金牛座的一团无定形的膨胀气体云。星表中的编号为M1和NGC1952。标准历元J2000为赤经05h34m31.94s,赤纬+22°00′52.2″。角径为7′×4′,视亮度相当于9等星。
Astronomy
Crab Nebula
蟹状星云
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field improved chromatography
field independence
field induced photoemission
Fielding brothers
field instrumentation
field integration method
field intensity
field intensity receiver
field internal medicine
field invariant
Field Investigation of Tibetan Religion
field ionization
field ionization (FI)
field ion mass spectroscopy
field ion microscope
field-ion microscope
field ion microscope, field-ion microscope, FIM
field ion microscopy
field ion microscopy and atom probe
field ion microscopy (FIM)
field ion microscopy, FIM
field irrigation method
fieldistor
field lens
fieldless
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