This paper puts forward the legislation of filing procedure, that is to say, when the materials are placed on file, the corresponding legal procedure should be followed to prevent the false materials from entering archives.

The paper placed emphasis on the methods of improving the acceleration performance of tracked vehicle,which contain the choice of proper start gear,the choice of appropriate shifting timing and lockup timing,and the right control strategy of oil-charging and releasing parameters of clutches in shift process.

Meanwhile,it analyses the shift process of AMT in detail.