“太平洋铁路”的概念、定义、翻译、参考文献-科学参考

单词	太平洋铁路
释义	太平洋铁路 Encyclopedia 历史学美国历史释 Pacific Railroad太平洋铁路 19世纪60年代美国修建的第一条横贯北美大陆的铁路。
随便看	closable manifold closable operator closable positive definite form close closeable operator close arc close binary close binary galaxy close binary star close binary system close collision close configuration close-confinement close coupling approximation close-coupling approximation close coupling calculation close-coupling calculation close cultivation of grassland close curve closed closed-and-open set closed-and-open subset closed and unbounded set closed and unbounded set; club set closed arc

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。