“history of public relations”的概念、定义、翻译、参考文献-科学参考

单词	history of public relations
释义	history of public relations Encyclopedia 文学公关关系史释 history of public relations公共关系史广义的公共关系史指人类公共关系思想、活动和现象的发展变迁史。狭义的公共关系史指现代公共关系事业诞生以来，人类公共关系思想史、实践发展史的形成与变迁。
随便看	semicontinuous function semicontinuous hull semicontinuous mapping semicontinuous matrix semicontinuous operator semicontinuous partition semi continuous polymerization semi-continuous polymerization semi continuous reactor semicontinuous set-valued mapping semicontinuous summation method semicontinuum semi-convection semi convergence semi-convergence semi-convergent series semi-convex semi-convex function semicovariant semicrystalline semi crystalline polymer semi-crystalline polymer semi-crystalline polymers semi-crystalline state semicube

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。