“Precursor”的概念、定义、翻译、参考文献-科学参考

单词	Precursor
释义	Precursor Encyclopedia 理学前驱释 Precursor前驱一个地区某个地质年限内的动物群中最早出现的分子。又称先驱（Progenitor）。
随便看	expansion thermometer expansion time-scale expansion tong expansion turbine expansion type temperature measurement expansion valve expansion wave expansion wave of reflection and intersection expansion work expansive expansive agents for concrete expansive cement expansive classification expansive concrete expansive constant expansive homeomorphism expansive map expansive mapping expansiveness expansive operator expansive rock expansive soil expansive soil treatment expansive surrounding rock expansivity

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。