Tianshan Mountahs inner China extend in WE,the altitude is usually over 4 000m,the coldand warm seasons can be divided clearly,Aiken Pass(at the aititude 2 840 3050m)is situatedin west part of Mt.

• 据艾肯达坂风雪流形成条件，提出了贴地气层分离是公路吹雪堆积的机理，通过对密闭式下导风能量转换和流场结构的剖析，创造了透风式下导风防雪工程。