“保健砂”的概念、定义、翻译、参考文献-科学参考

单词	保健砂
释义	保健砂 Encyclopedia 农学鸽乳释 health-care sand保健砂以矿物质为主要成分的砂砾状混合物。又称鸽砂、鸽石。
随便看	Poincaré manifold Poincaré map Poincaré mapping Poincaré method Poincaré metric Poincaré model Poincaré pair Poincaré-Perron method Poincaré polynomial Poincaré problem Poincaré recurrence Poincaré recurrence theorem Poincaré representation Poincaré return map Poincaré return theorem Poincaré section Poincaré separation theorem Poincaré series Poincaré-Siegel theorem Poincaré space Poincaré sphere Poincaré's surface of section Poincaré theorem Poincaré transformation Poincaré transformation and Poincaré group

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。