nonmeltn.非熔化的nonadv.[拉]非；不是non-delimiter byte非定界字节non-static economy非静态经济,动态经济non-tight bulkhead非密封舱壁Nonsingular matrices非奇异non-earning assets无收益<生财>资产non-recurring loss非经常损失,偶生损失non-donor solvents非给予体溶剂nonnegative definite非负定nonzero annihilators非零零化子noninfecting chancre[医] 软下疳