“Crab Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Crab Nebula
释义	Crab Nebula 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	double arm kneader double-arm spectrometer double-arms spectrometer double arrow double asteroid double astrograph double ball sintering double banner advertisement double bar double barrier magnetic tunnel junction double barrier tunneling double-barrier tunneling double-bar warp machine double base propellant double-base propellant double bass double beam atomic absorption spectrometer double-beam atomic absorption spectrometer double-beam interference double-beam method double beam optical null infrared spectrophotometer double beam optical-null infrared spectrophotometer double-beam photometer double-beam polarimeter double beam spectrophotometer

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。