“protogalaxy”的概念、定义、翻译、参考文献-科学参考

单词	protogalaxy
释义	protogalaxy [´prōd·ō`gal·ik·sē] ^ASTRONOMY The theoretical precursor of the Galaxy; suggested by James Jeans to be an initial structureless gas cloud, held together by its own gravitation, that broke up into a number of fragments.
随便看	absorption number absorption oil absorption peak absorption plant absorption process absorption ratio absorption refrigeration absorption spectrophotometer absorption spectroscopy absorption spectrum absorption system absorption test absorption tower absorption trench absorption tube absorption unit absorption wavemeter absorptive laws absorptive power absorptivity absorptivity-emissivity ratio abstinence syndrome abstract algebra abstract automata theory abstract data type

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。