“non-recurrent item”的概念、定义、翻译、参考文献-科学参考

单词	non-recurrent item
释义	non-recurrent item 非经营项目
随便看	air-spaced double anastigmat air-spaced doublet airspace engine air space for roof insulation airspace paper core cable airspace radar airspace reservation airspace warning area airspeed air speed airspeed computator air-speed gauge air-speed head airspeed head air-speed indicator airspeed indicator air-speed integrator airspeed mach indicator airspeed measuring sensor airspeed meter airspeedometer air spinning machine air split air spora air sports

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。