“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	Harlan Barrows Harlan crater Harlem Renaissance Harlequinade Opera harlequin bat Harlequin Enterprises Limited harlequin glorybower Harley Earl Harley Granville Barker Harlow Shapley harmaline Harm and Benefit in Materia Medica Harman-Seaton sequence Harmattan H-armature harm degree of environmental geological problems harmel peganum harmful air pollutants harmful algal blooms harmful composition harmful consequences harmful elements of plants harmful food additives harmful gas harmful gases in military artificial environments

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。