“算术分层”的概念、定义、翻译、参考文献-科学参考

单词	算术分层
释义	算术分层 Mathematics ＞数理逻辑与数学基础＞递归论＞释义 arithmetical hierarchy算术分层 arithmetical hierarchy算术分层^†，算术谱系
随便看	racial discrimination in sports racial/ethnic differences racial geography racial history racialization racial politics Racial Type of Ancient North China racing engine racing test raciology racism rack rack and pinion hoist rack construction racked stitch racket threads rackmount device rack server rackwork racon racoondog fiber ractopamine RAD rad RADA

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。