“蟹状星云”的概念、定义、翻译、参考文献-科学参考

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	blue whale blue-white screening blue wind glaucoma bluewings bluish bluish black bluish white bluish-white ceramic bluish-white glaze Blum Blumenthal Blumenthal zero-one law blumlein transmission line blunder blunder error blunt black bream, Pujiang 1 blunt cardiac injury blunt diaphragmatic injury blunted cone blunt end blunt force injury bluntforce injury blunt instrument injury bluntnose sixgill shark bluntnose snake-eel

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。