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蟹状星云
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蟹状星云
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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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pancreatic cancer
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pancreatic distension
pancreatic exocrine function test
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pancreaticoduodenectomy
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pancreatitis in canine and feline
pancreozymin
pancuronium
pancyclic graph
panda fiber
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PANDA断面
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