碰撞高度应该是预先计算好的临界高度和次临界高度，碰撞试验证实了其计算结果。
The altitudes of collisions should be calculated critical height and sub-critical height. The collision test proved the results of calculation.
这个模型会被下载到智能手机上，通过引用预先计算好的结果来找到一个对应新的参数组的近似结果。
The model downloaded to a smart phone finds an approximate solution for a new set of parameters by reference to the precomputed solutions.
空气弹射巧妙地将空气压力和水流反冲技术结合起来，把参与者按照预先计算好的抛物线轨迹抛到空中。
AirKick works propelling participants through the air in a pre-calculated parabolic trajectory using a special combination of air pressure and water recoil technology.
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