“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	exchange diffusion exchange electron-spin resonance exchange encryption exchange energy exchange ET exchange extraction exchange force exchange half life exchange half-life exchange half time exchange half-time exchange half-time; exchange half-life exchange hole exchange instability exchange integral exchange interaction exchange lattice exchange mode exchange network exchange of mass exchange of publications exchange of stability exchange of water conservancy data exchange on basis exchange operator

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。