Thus a method is proposed to extract a corresponding equivalent dual-trapezoids curve (EDTC) from the car body deceleration curve in full scale frontal crash test to be used in sled test.

为此提出了一种从实车正碰试验车体减速度曲线提取出相应的等效双梯形减速度曲线以用于台车试验的方法。

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He suffered broken bones and detached retinas, but out of these wild rides - by December 1954, Stapp had volunteered for 29 rocket sled deceleration and windblast experiments - came improved helmets, arm and leg restraints, better aircraft seats, stronger safety harnesses and techniques for positioning the body to help absorb powerful forces.

BBC: Before Baumgartner: Five daredevils who helped science