“凯里生物群”的概念、定义、翻译、参考文献-科学参考

单词	凯里生物群
释义	凯里生物群 Encyclopedia 理学凯里生物群释 Kaili Biota凯里生物群中国贵州省剑河县革东镇八郎村寒武系凯里组页岩和粉砂质页岩地层中的后生生物化石组合。是中国著名的寒武纪布尔吉斯页岩型特异埋藏生物群，距今大约5.08亿年。
随便看	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 positive ray function positive real axis positive real control

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。