nonamen.无名没有名字.nonadv.[拉]非；不是Non-woodforest非木质林业nonstable system不稳定系统Non- linearity非线性nonmonetary data非价值量数据non-adrenergic非肾上腺素能, 非胆碱能nonwoven fabrics无纺织物noncash document非现金证券,非现金单据noncoded graphic非编码图形non-polar bond非极性键non return valve止逆阀,单向阀