“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	Sudan upper atbara water control project Sudbury Sudbury crater Sudbury nickle sulfide deposit sudden approximation sudden blindness sudden collapse of heart yang sudden cosmic noise absorption sudden cough sudden deafness sudden disappearance of filament sudden enhancement of atmospherics sudden eyeball protrusion sudden failure sudden field anomaly sudden frequency drift sudden infant death syndrome sudden ionospheric disturbance sudden magnetic disturbance sudden manhood death syndrome sudden oak death sudden onset sudden phase anomaly sudden precordial pain sudden production

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。