“乌尔曼，E.L.”的概念、定义、翻译、参考文献-科学参考

单词	乌尔曼，E.L.
释义	乌尔曼，E.L. Encyclopedia 工学〔工业革命～1945﹞释 Ullman E L乌尔曼，E.L. （1912～1976）美国城市地理学家、经济研究专家，应用地理学的代性人物。
随便看	center of attaction center of buoyancy center of circumcircle center of curvature center of dispersion center of economic interest Center of Environmental Emergency and Accident Investigation, Ministry of Ecology and Environment of the People's Republic of China center of expansion center of figure center of force center of gravity Center of gravity method for facility location center of gyration center of homology center of inertia center of inflection center of interest center of inversion center of involution Center of land center of light center of magnitude center of mass center of mass angle center of mass coordinate system

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。