“京张铁路”的概念、定义、翻译、参考文献-科学参考

单词	京张铁路
释义	京张铁路 Encyclopedia 工学〔著名铁路〕释 Beijing-Zhangjiakou Railway京张铁路中国人主持勘测、设计、施工并负责运营管理的第一条铁路。
随便看	Poincare Poincare Bendixson theorem Poincare-Bendixson theorem Poincare-Birkhoff theorem Poincare Birkhoff Witt basis theorem Poincare-Birkhoff-Witt basis theorem Poincare-Birkhoff-Witt type basis Poincare conjecture Poincare divisor Poincare duality Poincare duality theorem Poincare element Poincare formula Poincare group Poincare inequality Poincare invariant Poincare invariant theorem Poincare Lefschetz duality Poincare-Lefschetz duality Poincare lemma Poincare limit cycle Poincare map Poincare metric Poincare recurrence Poincare return 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。