1·Finished product oil transportation technology design feature and piping construction technique in high-frigid zone from germu to Lasa are analysed.
分析了格拉（格尔木—拉萨）成品油管道输送工艺设计特点和适合高寒地区管道敷设施工技术的应用；
2·The modified polystyrene samples were exposed outdoor at Lasa and Mohe natural environmental test stations and their weathering mechanism was studied by using XPS.
通过改性聚苯乙烯试样在拉萨和漠河户外暴露试验，利用X射线光电子能谱(XPS)探讨了改性聚苯乙烯材料表面老化机制。
3·My father Said, Lasa is simply a paradise in comparison with Chongqing.
我的父亲说，拉萨与重庆比，简直是天堂。
4·Objective To discuss the blood oxygen saturation of the people in Lasa and the difference of blood oxygen saturation before and after exercise.
目的探讨拉萨地区人群血氧饱和度及运动前后的差异。