“emission nebulosity”概念、定义、翻译-科学时代

单词	emission nebulosity
释义	天文学词汇手册 emission nebulosity 发射星云状物质，发射云气
随便看	profit-sharing plan profit-sharing plan profit-sharing plan profit sharing plan profit-sharing plan profit-sharing ratio profit-sharing reserves profit-sharing system profit squeeze profit system profit-taking profit-taking profit taking profit-taking operation profit tax profit tax profit-to-sales ratio profit to sales ratio profit variance profit-volume chart profit-volume chart--profit-volume chart（PV chart） profit-volume chart（PV chart） profit-volume ratio profit-volume ratio profit-volume ratio--profit-volume ratio (P/V ratio)

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。