Some studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in half.
有研究表明，在道路上画上笔直的横杆，可以在开始将司机的平均速度降低一半。
The utility model can conveniently combine exercisers like horizontal bars, parallel bars, uneven parallel bars, balance beams, pommel horses, etc.
本实用新型可方便地组合成单杠、双杠、高低杠、平衡木、鞍（跳）马等运动器械。
By the late 14th century, the Perpendicular style replaced curvilinear tracery with straight mullions extending to the top of the main arch, connected at intervals by horizontal Bars.
到14世纪末，垂直式风格建筑采用延展至主要拱形顶端的直线棂条来代替曲线花格，中间有横向的棂条相连。
By the late 14th century, the Perpendicular style replaced curvilinear tracery with straight mullions extending to the top of the main arch, connected at intervals by horizontal Bars.
到14世纪末，垂直式风格建筑采用延展至主要拱形顶端的直线棂条来代替曲线花格，中间有横向的棂条相连。
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