unshutvt.打开unsadj.不对称的unstaffed intermediate station无人中间站unstayed flat heads and covers无支撑平封头和盖板unstructured subzonal pressure非结构子网格压力unsaturated soil water movement非饱和土壤水分运动Unsatisfactory Equipment Report不合格装备报告unsaturated quaternary ammonium不饱和季铵盐unsaturated -unsteady seepage非饱和-非稳定渗流unsymmetrical Gaussian function非对称高斯函数unsupervised Classifica- tion非监督分类unstressed state control method无应力状态控制法