“前第四纪”的概念、定义、翻译、参考文献-科学参考

单词	前第四纪
释义	前第四纪 Encyclopedia 理学前第四纪释 None前第四纪第四纪（其底界为258万年）以前的地质时期。
随便看	bulk shielding reactor bulk silicon fin field effect transistor bulk silk bulk storage in tank heat exchanger bulk storage in tank-heat exchanger bulk symmetry energy bulk synchronous parallel computing model bulk transportation bulk viscosity bulk weight bulk yarn bulky ligand bullbourethral gland bull city bulldozer bulldozers Bullen Keith Edward Bullet Cluster bullet cluster bulletin bulletin board bulletin board system bulletin board system, BBS Bulletin by Temporary President of the Republic of China Bulletin of Environmental Status of China

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。