non usen.不使用(不形成习惯；放弃)nonadv.[拉]非；不是non-multiple exchange单式交换机non scattering material非散射材料non-acquired immunity非获得性免疫nonylphenoxyacetic acid壬基苯氧基乙酸Non-Hodgkin'slymphomanon-residuum cracking无残油裂化nondegenerate amplifier非简并放大器Non-prescription drug非处方药non-oxygen copper bar无氧铜棒non-conducting rubber绝缘橡胶