“研究总体”的概念、定义、翻译、参考文献-科学参考

单词	研究总体
释义	研究总体 Encyclopedia 理学临床试验的自适应性设计释 study population研究总体目标总体的一个子集，样本实际上都需从中抽取。
随便看	positive platemaking positive polarity machining positive potential positive-pressure pulverizer with intermediate storage bunker 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

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。