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螺旋星云
释义
螺旋星云
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
uniform code
uniform colour space
uniform combustion
Uniform Commercial Code
uniform completeness
uniform cone condition
uniform constructure
uniform continuity
uniform continuous mapping
uniform control
uniform control system
uniform convergence
uniform convergence in wider sense
uniform convergence of a sequence
uniform convergence of a series
uniform convergence of operators
uniform convergence test
uniform convergence theorem
uniform convexity
uniform convexity modulus
uniform corrosion
uniform cover
uniform covering
uniform-density contraction
uniform departureness
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