This article introduces the difficulty and demand of development of test-drive database of engine, and the structure, function and characteristics of this database, etc.
文章介绍了开发发动机试车数据库的难点和需求，本数据库的结构、功能与特点等。
The dynamometer is core equipment of motor performance test station, mechanical drive test station and engine performance test station.
测功机是电机性能测试台、机械传动测试台、以及发动机性能测试台等试验装置中的核心设备。
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