“enneagonal number”的概念、定义、翻译、参考文献-科学参考

单词	enneagonal number
释义	enneagonal number Mathematics enneagonal number九角形数
随便看	polar system polar tangential coordinate polar telescope polar tetrahedron polar theory polar tide polar transformation polar translocation polar triangle polar trihedral polar tropopause polar tube polar tundra soil microbes polar vector polar vessel polar view polar wandering polar wind polar wobble polar year polar zonohedron polaxis polder polder area poldering of seashore

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。