“top shell”的概念、定义、翻译、参考文献-科学参考

单词	top shell
释义	top shell Encyclopedia 理学马蹄螺科释 top shell马蹄螺科原始腹足目的一科。
随便看	convertion compound convertor convex convex algebra convex analysis convex angle convex arc convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping

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。