nonvotern.不投票者；投票弃权者nonadv.[拉]非；不是non-operating income and expense accounts[经] 营业外(非营业)收益及费用帐户non-ferrous metal semi-round head rivet半圆头有色金属铆钉Nonnuclear Munitions Safety Control Program非核弹药安全控制计划nonparaxial vectorial anomalous hollow beam非傍轴矢量异常空心光束non- punched mechanically fastened system无穿孔机械固定系统non-English majors of Vocational Colleges非英语专业学生Non-- operational synthetical treatment非手术综合疗法Noncommissioned Officer's Leadership School冷凝管线Noninvasive positive-pressure ventilation无创正压通气Non -high density lipoprotein cholesterol血浆致动脉硬化指数