translation.en: We will demonstrate the concept of machine athleticism and the research to achieve it with the help of these flying machines called quadrocopters, or quads, for short.
translation.zh: 我们将向你展示机器运动性能的概念 及对此所做的相关研究工作。 我们将借助这些被称为四轴飞行器 或简称“四轴”的飞行机器人来做演示。