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