nonsweetadj.不含糖的；不甜的nonadv.[拉]非；不是non-uniform trajectory tracking非一致目标跟踪non-cumulative letter of credit非累积信用证non-infections chronic diseases慢性非传染性疾病non - particitants of insurance未参保单位non- material cultural heritage非物质文化遗产Nonaqueous surfactant two-phase双油相non-homogeneous Poisson process非齐次泊松过程non-uniformly-spaced sequence非等间隔序列nonsticking package paper coating防粘包装纸用涂料non-symmetry of the information信息不对称