“底层语言”的概念、定义、翻译、参考文献-科学参考

单词	底层语言
释义	底层语言 Encyclopedia 法学底层语言释 substratum底层语言一个地区原有的语言被新来的语言取代后，原有语言的某些残留成分形成新来语言的底层成分。
随便看	period change period-color relation period conjecture period-density relation period determination period discontinuity period domain period doubling period doubling bifurcation period-doubling bifurcation period-eccentricity period expense of books period gap period group period health examination periodic periodic acid periodic acid-Schiff reaction periodic acid-Schiff reaction (PAS reaction) periodical periodical bibliography periodical changes of endometrium periodical cicada periodical layout design periodically correlated

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。