“青霉烷”的概念、定义、翻译、参考文献-科学参考

单词	青霉烷
释义	青霉烷 Encyclopedia 理学青霉烷释 penam青霉烷一种杂环体系，青霉烷类抗生素的主核。 Chemistry ＞有机化学＞天然产物及药物＞释义 penam青霉烷
随便看	timber members timber price timber production forest timber production machinery timber revenue timber structure system timber transportation timbre Tim Brown Timbuktu Timbuktu Kou'an Tim Burton Time time time accuracy time and frequency dissemination time and frequency measurement instruments time and frequency measurements time and frequency metrology time and frequency primary standard time and frequency service time and frequency signal time and frequency synchronization time and frequency transfer time and frequency transfer via optical fiber

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。