“上位阶层”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	上位阶层
释义	人类学词汇手册 upper stratum 上位阶层
随便看	combined carbon combined carrier combined certificate combined churn combined communications combined compensation plan combined compressor combined compressor combined condensate return system combined cooling combined countervelocity combined cropping system combined cutter loader combined cutting-and-welding blowpipe combined cycle power plant combined defense combined deformation combined development of offshore oil-gas field group combined district and waste metering combined division method combined doctrine combined drill combined drill combined drilling and reaming combined earth

upper stratum