从1979年开始，通过了模拟强化试验、传动效率试验、道路可靠性试验及数百辆汽车的使用试验。
Since 1979, the intensified simulation, drive efficiency, road reliability experiments and application experiments of several hundreds autos have been passed.
然后介绍了车辆试验场及试验道路的研究现状，综述了确定强化系数的各种方法。
Secondly, the research situation of vehicle proving ground and test roads was discussion, and the various methods of deter- mining enhancement coefficient were summarized.
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