“外源”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	外源
释义	外源 extraneous source(s)
随便看	pointing calibration pointing chisel pointing control pointing correction pointing device pointing error pointing forwards pointing in direction pointing instrumentation pointing joint pointing knife pointing machine pointing masonry pointing of tag end pointing problem pointing stuff pointing system pointing tool pointing trowel pointing velocity pointing with cement mortar pointing with putty point initiation point-injection anesthesia point in the sample space