“刘清韵”的概念、定义、翻译、参考文献-科学参考

单词	刘清韵
释义	刘清韵 Encyclopedia 文学【剧作家】释 Liu Qingyun刘清韵（1842～1915中国近代剧作家、诗人。字古香，小字观音。
随便看	positive operator value measure (POVM) positive ordering positive organizational behavior positive orientation positive orthant positive part positive partial transpose criterion positive particular proposition positive part of a function positive part of an element positive perfect correlation positive plate 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

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。