“保留上下文索引系统”的概念、定义、翻译、参考文献-科学参考

单词	保留上下文索引系统
释义	保留上下文索引系统 preserved context index system (PRECIS)
随便看	sea level sea-level chart sea-level correction sea level datum sea level departure from normal sea-level elevation sea level elevation sea level height sea-level observation sea-level pressure sea level-pressure chart Seale Warrington wire rope seal face seal fan seal finger seal fitting seal fluid connection seal fluid outlet seal flush seal flush liquid seal flush port seal flush pressure seal for pipe joints seal for pressure vessel seal friction

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。