“乌尔曼条件”的概念、定义、翻译、参考文献-科学参考

单词	乌尔曼条件
释义	乌尔曼条件 Encyclopedia 理学乌尔曼条件释 Ullman conditions乌尔曼条件美国学者乌尔曼对1948年美国发布的铁路货运流数据进行研究后，提出两个地点之间发生空间相互作用需满足互补性、干预机会、可运输性三个基本条件。
随便看	geographical data integration Geographical demarcation of urban development in China geographical distribution of China forests geographical distribution of forests around the world geographical education geographical education in school geographical entity of sea bottom geographical envent geographical environment geographical event representation geographical exploration in Africa geographical field station geographical image geographical indication products geographical information geographical information system geographical information system, GIS Geographical Information System in Archaeology geographical information system ，Geo－Information system ，GIS geographical isolation geographical location map geographically concentrated sets of logistics companies geographically uneven development geographically weighted regression geographically weighted regression model

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。