从理论上对链球投掷和飞行中存在的一些动力学问题进行了研究。

The kinetics problem of the weight throw during the throwing and flying has been studied.

youdao

从理论上对链球投掷和飞行中存在的一些动力学问题进行了研究。

The kinetics problem of the weight throw during the throwing and flying has been studied.

youdao