“Second-hand data”的概念、定义、翻译、参考文献-科学参考

单词	Second-hand data
释义	Second-hand data Encyclopedia 管理学基本概念释 Second-hand data二手数据为了达到正在进行的研究以外的目的而已经收集完成的统计资料。一手数据的对应概念。
随便看	mean mean absolute deviation mean absolute error mean absolute magnitude mean absorption coefficient mean activity coefficient of ions mean age mean age at death mean age of child bearing mean air temperature mean amount of information mean anomaly mean arterial pressure mean average precision mean caliper diameter mean circulatory filling pressure mean citation rate mean cluster count per site mean collision time mean concentration function mean-conjugate curve mean-conjugate directions mean continuity mean contour mean convergence

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。