“长城系”的概念、定义、翻译、参考文献-科学参考

单词	长城系
释义	长城系 Encyclopedia 理学长城系释 Changchengian System长城系古元古代长城纪（距今18亿～16亿年）这一时期形成的地层。
随便看	Poor Liza poorly directive antenna Poor Man's Guardian poor observation Poor Peasants Have Done Great Things poor relief act poor semen quality poor solvent poor theatre poor village/ poverty-stricken village poor visibility POP pop POP advertisement Pop Art pop corn Pop Design Pope Pope Gregory I Pope Pius XII P-operation Popeye the Sailor Popigai crater poplar and willow weevil poplar canker

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。