“branches of nonmaterial production”的概念、定义、翻译、参考文献-科学参考

单词	branches of nonmaterial production
释义	branches of nonmaterial production 非物质生产部门
随便看	signal length signal letters signal level signal level detecter signal level distribution signal level fluctuation signal level meter signal level test film signal lever signal limiter signal(l)ing signalling signalling attention signalling capacitors signal(l)ing channel signal(l)ing condition signalling contact signalling engineering signal(l)ing-equipment test signalling frequency signal(l)ing frequency signalling key of pull type signalling key of push type signal(l)ing-nework-management signal signalling procedure

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。