“凹向上的”概念、定义、翻译-科学时代

单词	凹向上的
释义	数学词汇手册凹向上的 concave up；concave upward
随便看	exploitation exploitation exploitation exploitation blasting exploitation cutting exploitation of author's right exploitation of information resource exploitation of periodical information resource exploitation percent exploitative agriculture exploited class exploiting system exploitive-authoritative management system exploit of HR exploration exploration exploration exploration exploration exploration and production exploration cost exploration cost exploration geochemistry exploration geochemistry exploration geophysics

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。