“Saint Helena Island”的概念、定义、翻译、参考文献-科学参考

单词	Saint Helena Island
释义	Saint Helena Island Encyclopedia 理学圣赫勒拿岛释 Saint Helena Island圣赫勒拿岛非洲大陆西南南大西洋中英国属地圣赫勒拿的主岛。
随便看	positive pressure sealing 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

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。