“petaloid nebula with a sunken center”的概念、定义、翻译、参考文献-科学参考

单词	petaloid nebula with a sunken center
释义	petaloid nebula with a sunken center Encyclopedia 医学﹝眼科病证﹞释 petaloid nebula with a sunken center　花翳白陷以黑睛（角膜）生白色翳膜，四周高起，翳面中央溃蚀，形如散在的花瓣或鱼鳞，白睛混赤为主要临床表现的严重眼病。
随便看	singular chain group singular circle singular cochain singular cochain complex singular cocycle singular coefficient singular cohomology singular cohomology group singular cohomology ring singular collineation singular complex singular component singular configuration singular congruence singular conic singular continued fraction singular control singular coordinate singular correlation singular correspondence singular critical lattice singular cube singular curve singular cycle singular direction

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。