“公益广告”的概念、定义、翻译、参考文献-科学参考

单词	公益广告
释义	公益广告 Encyclopedia 文学非商业广告释 public service advertising公益广告不以营利为目的，而为公共利益、社会公众服务的广告。
随便看	Birkhoff ergodic theorem Birkhoff factorization Birkhoffian function Birkhoff inequality Birkhoff integrable function Birkhoff integral Birkhoff interpolation Birkhoff-Khinchin ergodic theorem Birkhoff mechanics Birkhoff normal form Birkhoff regularization Birkhoffs theorem Birkhoff stratification Birkhoff theorem Birkhoff-Witt theorem Birkin National Park Bir Lehlu Birman Birmingham Birmingham Campaign Birmingham crater Birmingham School Birnbaum Birnbaum theorem birnessite

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。