“雅各布斯外部性”的概念、定义、翻译、参考文献-科学参考

单词	雅各布斯外部性
释义	雅各布斯外部性 Encyclopedia 经济学多样化生产释 Jacobs externality雅各布斯外部性不同行业之间发生的知识外溢使相关行为主体或整个社会受益但受益者无须付费的特性，是集聚产生的一种正外部性。因美国记者、作家、城市活动家、学者J.雅各布斯（Jane Jacobs，1916-05-04～2006-04-25）的强调而得名。
随便看	liquid-propellant rocket liquid propellant rocket engine liquid propellant rocket engine test liquid propulsion system liquid ramjet liquid ramjet assembly liquid ramjet combustion chamber liquid ramjet engine test liquid ramjet fuel regulator unit liquid ramjet ignition unit liquid ramjet inlet liquid ramjet nozzle liquid ramjet performance parameter liquid ramjet turbopump liquid ring liquid ring compressor liquid ring vacuum pump liquid rocket engine combustion chamber liquid rocket engine for attitude controlling liquid rocket engine ignition device liquid rocket engine performance parameters liquid rocket propellant liquid rubber liquid safety detector liquid scintillant mixture

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。