The cars have been made smaller and lighter with the intent of making them more nimble and better to drive, and to facilitate improved racing. The wheelbase has been reduced by 20cm to 340cm and the width by 10cm to 190cm. Across changes in the chassis and to the engine, the overall weight has been reduced by 30kg. Drivers such as Lewis Hamilton have declared themselves generally pleased with the improved handling characteristics of their more sprightly rides, which will operate with approximately 40% less drag, but they will not enjoy the same downforce or pace as with last year’s models and are expected to open the season a second or two slower per lap than last year.
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2020年10月23日，重庆自贸试验区政务大厅内，不少民众正通过“渝快办”平台办理各类手续。截至目前，全国共有22个省份的54个城市及海南岛全岛被划入自贸区范围。（视觉中国|供图），详情可参考51吃瓜
34.重庆市大足石刻研究院保护工程中心