“桃拓烷类”的概念、定义、翻译、参考文献-科学参考

单词	桃拓烷类
释义	桃拓烷类 Encyclopedia 理学桃拓烷[类]释 totarane桃拓烷类一类三环二萜。 Chemistry ＞有机化学＞天然产物及药物＞释义 totarane桃拓烷[类]
随便看	closed complex plane closed composition closed cone closed contour closed convex function closed convex functional closed convex hull closed convex hypersurface closed convex set closed convex surface closed covering closed current closed curve closed-curve problem closed cycle closed cycle engine closed-cycle refrigerator closed differential closed differential field closed differential form closed differential relation closed disk closed domain closed drain system closed-easy-axis

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。