“沙漏星云”的概念、定义、翻译、参考文献-科学参考

单词	沙漏星云
释义	沙漏星云 Encyclopedia 理学行星状星云释 Engraved Hourglass Nebula沙漏星云位于苍蝇座，标准历元J2000的赤经13h39m35.07s，赤纬-67°22′51.74″的年轻行星状星云。因其形状像西方记录时间的沙漏而得名。又称MyCn18。 Astronomy Hourglass Nebula沙漏星云
随便看	publishing in India publishing in Italy publishing in Japan publishing in Kenya publishing in Mexico publishing in Netherlands publishing in Poland publishing in Romania publishing in Russia publishing in Spain publishing in the United Kingdom publishing in the United States publishing in Turkey Publishing Journal publishing license publishing management publishing management of audio-visual products publishing management system in China publishing market publishing market management publishing material supply agency Publishing on Demand publishing principle Publishing & Printing publishing professional and technical personnel vocational qualification certificate

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。