对比研究了减阻增速和增功率增速两种技术途径,并在两栖车辆领域作了模型和实车试验,初步验证了减阻增速有广阔的科研领域和丰富的技术内容. The two approaches of drag reduction and increase of power are compared and studied. Models and actual vehicle tests are made in the field of amphibious vehicles. The research area and extensive technical contents of drag reduction and growth are preliminarily verified.