“J”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	J
释义	请查阅J--劳尔
随便看	positive constitutionalism positive contrast positive contribution Monte Carlo method positive control positive control positive correlation positive correlation positive correlation positive correlation positive correlation positive correlation positive correlation positive crystal positive crystal positive definite positive definite function positive definite inner product positive definite operator positive definite scalar product positive degree positive deviance positive deviation positive deviation variable positive direction positive direction