“non-positive operator”的概念、定义、翻译、参考文献-科学参考

单词	non-positive operator
释义	non-positive operator 非正算子
随便看	optical scattering optical sccond-harmonic generation optical scrambler optical search optical second harmonic optical second harmonic generation optical section optical seeker optical seismograph optical selection rule optical sensibilization optical sensing head optical sensitization optical sensitizer optical sensor optical sensors optical sensor system optical shaft encoder optical shift optical shutter optical sight optical sighting device optical sign optical signal optical signal carrier

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。