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单词
蟹状星云
释义
蟹状星云
Encyclopedia
理学
蟹状星云
释
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
随便看
Byerlee’s law
Byerly
By Jiangan River
By line of sight
by-pass
by-pass air flow
by pass capacitor
by-pass capacitor
bypass capacitor
bypass flue
bypassing
bypass ratio
bypass transition
by-pass valve
bypass with displaced great saphenous vein
by-product gas
byproduct of biodiesel
by-products of drug production testing
by-products of steelmaking
Byrd crater
by-reaction
Byrnes Isidori normal form
Byrnes-Isidori normal form
Byron
Byron Bay
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