“book and periodical information pushing”的概念、定义、翻译、参考文献-科学参考

单词	book and periodical information pushing
释义	book and periodical information pushing Encyclopedia 文学书刊信息推送释 book and periodical information pushing书刊信息推送基于信息推送技术，根据用户的兴趣来搜索、过滤书刊信息，并将其定期推送给用户的服务。
随便看	positive propaganda positive proposition positive psychology positive psychotherapy positive punishment positive quadratic differential positive quadratic form positive quantity positive ray function positive real axis positive real control positive real function positive real number positive real part positive real system positive recurrent point positive recurrent state positive reinforcement positive relation positive result positive root positive root system positive rotation positive school of criminology positive selection

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。