Netten.内特河(在德国)netn.网；网状物adj.净余的；纯粹的net resourses for teaching网络教学资源net freight tonkilo meters货物净重吨公里net income from operations经营净收入net ultrafiltrate pressure净超滤压Nethraeaphis hangzhouensis蚊母蚜虫net of figure relationship人物关系网net deficit for the period本期净损失net present value approach净现值法net nitrogen mineralization净氮矿化net of farmland shelterbelt农田林网