“spot group”的概念、定义、翻译、参考文献-科学参考

单词	spot group
释义	spot group [`spät ´grüp] ^ASTROPHYSICS A complex formation of the sun's surface consisting of a sunspot with several umbrae surrounded by a single penumbra, or of several sunspots which are close together and clearly associated.
随便看	plastigraph plastisol plastogene plastometer plastoquinone plastron plat Platanaceae Plataspidae plate plate amalgamation plate anemometer plateau plateau basalt plateau characteristic plateau glacier plateau gravel plateau level plateau mountain plateau plain plateau problem plateau ring structure Plateau's sphere plate bearing test plate-belt feeder

科学参考收录了103327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。