“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	area-based crop yield insurance area bonding area-color display area command area competitive intelligence area coordinate area coordinate control Area de Conservacion Guanacaste area density area department contact mechanism A Reader of Annotated and Commented Essays Selected from the Qing Dynasty A Reader of Annotated and Commented Rhythmical Prose Selected from the Qing Dynasty area distributed sensing technology area element area entity area filling area formula area function area functional area heat load of fire-grate area histogram area-hyperbolic cosecant area-hyperbolic cosine area-hyperbolic cotangent area-hyperbolic function

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。