“Pacific railroad”的概念、定义、翻译、参考文献-科学参考

单词	Pacific railroad
释义	Pacific railroad Encyclopedia 理学〔铁路类〕释 Pacific railroad美国太平洋铁路由中央太平洋铁路公司（the Central Pacific）和联合太平洋铁路公司（Union Pacific）于1863～1869年建成。美国第一条实现连接大西洋海岸与太平洋海岸的铁路。又称“横贯大陆铁路（Transcontinental Railroad）”。
随便看	surface of a section surface of centers surface of ceramics surface of class r surface of coincidence surface of congruence surface of constant breadth surface of constant curvature surface of constant geopotential surface of constant phase surface of constant width surface of contact surface of degeneration of type surface of degree p surface of discontinuity surface of equal distances surface of finite type surface of general type surface of genus g surface of genus zero surface of intersection surface of least area surface of Liouville type surface of materials surface of negative curvature

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