“hub economy”的概念、定义、翻译、参考文献-科学参考

单词	hub economy
释义	hub economy Encyclopedia 经济学枢纽经济释 hub economy枢纽经济依托交通枢纽或者物流枢纽功能形成的区域或空间经济社会发展现象和发展模式。
随便看	positive film positive flower structure positive formula positive function positive functional positive fundamental sequence positive glow positive Grassmannian positive half-trajectory positive helicity spinors positive Hermitian kernel positive Hermitian operator positive homogeneous function positive hull positive image positive index of inertia positive infinity positive integer positive integral kernel positive interaction between nutrients positive ion positive ion, cation positive ion mode positive kernel positive kurtosis

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。