“German Colony in Africa”的概念、定义、翻译、参考文献-科学参考

单词	German Colony in Africa
释义	German Colony in Africa Encyclopedia 历史学〔总论〕释 German Colony in Africa德属非洲殖民地 19世纪中叶至第一次世界大战结束，德国在非洲殖民地的总称。
随便看	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 positive self-adjoint operator positive self-regard positive semi-definite positive semi-definite form

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。