“Ring Nebula”的概念、定义、翻译、参考文献-科学参考

单词	Ring Nebula
释义	Ring Nebula Encyclopedia 理学行星状星云释 Ring Nebula环状星云位于天琴座的典型的行星状星云。星表中的编号为M57和NGC6720。位于北天区，距离地球2300光年，目视星等8.8，半径约1.3光年。由于面向地球呈环状结构，并处于明亮的织女星以南，长期以来备受关注。 Astronomy Ring Nebula指环星云
随便看	thought control training thought experiment thought experiment, gedanken experiment Thoughtful and Flexible Thoughtful and Flexible Historical Writing Though the Divine Turtle Is Long-Lived thought imprint psychotherapy in a lowered resistance state thought of valuing agriculture thought of water conservancy planning in ancient China Thoughts thoughts about journalism by Deng Xiaoping thoughts about journalism by Hu Jintao thoughts about journalism by Jiang Zemin thoughts about journalism by Liu Shaoqi thoughts about journalism by Mao Tsetung thoughts advocated by the Graduate Library School of Chicago University thoughts meet the scope Thoughts Miscellaneous Talk Thoughts of a Lady in the Chamber Thoughts of art education in The West thoughts of industrialization in modern history of China Thoughts on Calligraphy Thoughts on Death and Immortality Thoughts on human settlements in Guanzi thoughts on human settlements in Rites of Zhou

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。