Nonhoff农霍夫nonadv.[拉]非；不是nonreactive attenuator纯电阻衰减器non-systemic vertigo非前庭性眩晕, 假性眩晕nonlocalized particles定域粒子系集non-homogenous layer非均匀层non - circular curve非圆曲线nonselective absorbent非选择性滤光片non-focusable energy不可聚焦能量non-Newtonian models非牛顿流体模型non-performing asset[经] 无盈利效能的资产non attachment disease儿童情绪不稳定或无力症