“直投广告”的概念、定义、翻译、参考文献-科学参考

单词	直投广告
释义	直投广告 Encyclopedia 文学广告媒介释 direct mail advertisement直投广告将广告主所欲传达的广告信息，通过邮寄、传真、直接递送、发送电子邮件、发送手机短信等方式发送到目标消费群体的一种广告形式。又称DM广告。
随便看	spherical coordinate spherical coordinates system spherical coordinate system spherical covering spherical CR structure spherical cuboctahedron spherical curvature spherical curve spherical cyclic curve spherical defect spherical deflection analyzer spherical deformation tensor spherical degree spherical density spherical derivative spherical design spherical digon spherical distance spherical distribution spherical domain spherical earth theory spherical element spherical equilateral triangle spherical excess spherical excess formula

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。