The averagespeed for errors was 4 meters per second.
产生误差的平均速度是每秒4米。
2
Some studies suggest that straight, horizontal bars painted across roads can initially cut the averagespeed 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。
3
On two separate morning visits to the scientists' lab, each man walked for an hour at an averagespeed that, in theory, should allow his body to rely mainly on fat for fuel.