“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	high-frequency electron tube high frequency electrotherapy high frequency exciting force high frequency fatigue testing machine high frequency flash photography high frequency gamma high frequency grain dryer high frequency grain insects control in electric field high-frequency heating high-frequency heating supply high-frequency induction stove high frequency interaction circuit high frequency noise filtering high frequency opreation and electrocoagulation devices high frequency picker high frequency plasma source high-frequency plugging high frequency propagation high-frequency radiation high-frequency reflection continuous profile method with minimal offset high frequency rotational atherectomy high frequency spark source High frequency thawing equipment high frequency titration high frequency trading

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。