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Helix Nebula
释义
Helix Nebula
Encyclopedia
理学
行星状星云
释
Helix Nebula
螺旋星云
位于宝瓶座,标准历元J2000的赤经22h29m38.54s,赤纬-20°50′13.64″的行星状星云。《星云星团新总表》中的编号为NGC7293,是离地球最近最明亮的行星状星云。
Astronomy
Helix Nebula
螺旋星云
随便看
intracellular toxin
intracellular transport
intracerebral hemorrhage
intracerebral microdialysis
intracerebral microinjection
intrachannel interaction
intrachromosomal recombination
intra-class
intraclass
intra-class correlation
intra-class correlation coefficient
intraclass correlation coefficient
intra-class variance
intraclonal division of labor
intracluster gas
intracluster light
intracluster matter
intracluster medium
intraconnection
intracontinental deformation
intra-continental orogen
intracranial and spinal vascular malformation
intracranial aneurysm
intracranial electroencephalography
intracranial hematomas
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更新时间:2026/8/10 15:41:27