Based on the stability analysis of the slope,field investigation,lab tests and the comparisons among several support schemes,it was tested that anchor retaining wall is the most reasonable and economical support scheme.

By the example of metal-rubber component taking the place of rubber in the breechblock rod of certain self-propellant artillery gun energy consumption and damping mechanism can be concluded.

In view of the abnormal vibration of the powertrain of a sport utility vehicle, by utilizing the self-developed modal analysis system and conducting the separate modal test of powertrain and the complete vehicle tests on road and chassis dynamometer, the vibration signals of shift level are continuously measured, analyzed and processed.