“凸凹的”概念、定义、翻译-科学时代

单词	凸凹的
释义	电子通信与自动控制技术词汇手册 convex-concave 凸凹的
随便看	ribbed plate ribbed shell ribbed tube rib belly Ribbentrop，Joachim von ribbing ribbon ribbon ribbon ribbon Ribbon ribbon ribbon arrangement ribbon bed ribbon bed ribbon blender ribbon board ribbon bookmark ribbon cable ribbon cartridge ribbon conveyor ribbon development ribbon development rib bone ribbon fish

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。

convex-concave