“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	Selected Ci Poems by Master Poets of the Tang and Song Dynasties Selected Ci Poems by Renowned Poets in the Past Three Centuries Selected Ci Poems by Renowned Poets of the Qing Dynasty Selected Ci Poems by the Renowned Poets of the Song and Yuan Selected Ci Poems by the Song and Yuan Poets Selected Ci Poems by the Song Poets Selected Ci Poems from "Ci Poems from the Cottage" Selected Ci-Poems from Clear Ripples Studio Selected Ci Poems from the Cottage of the Yuan Dynasty Selected Ci-Poems from the Smartweed Garden Selected Ci Poems of the Ming Dynasty Selected Ci Poems of the Song Dynasty selected class Selected Classical Prose by Writers of the Qing Dynasty Selected Collection of Chinese Photography Criticism Selected Collection of Folk Songs of Shanbei Selected Commentaries on Chinese Prose of Past Dynasties Selected Dedications by Mao Zedonhg as Examples of His Calligraphic Art selected dissolution Selected Documents from Archives Concerning Sino-Russian Relations in Qing Dynasty Selected Documents from Archives Concerning WuXu Selected Documents of Ethnic Work Selected Documents of the Chinese Communist Party Central Committee Selected Documents on Ethnic Work in the New Period selected epitaxy

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。