“non-exchange commercium”的概念、定义、翻译、参考文献-科学参考

单词	non-exchange commercium
释义	non-exchange commercium 非交易物
随便看	average due date average duration of life average duty on specified category of product average earnings average-edge line average effect average efficiency average efficient ratio average egg yield average elasticity average electric axis average energy average error average expenditure average external volume average extra defective limit average fertility number average field intensity average fixed cost average fixed cost (AFC) average flow average flow time average freight rate assessment (AFRA) average frequency average future life

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。