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最近，瑞士几位科学家正在设计一种名为“风滚草”的球状机器人，这种机器人重量较轻，大约有２米宽，将可以在火星表面借助风力进行自由滚动，并随时对火星上的风力进行勘测。 研究人员还指出，这种机器人的另外一个作用就是对火星表面地形状况进行勘测，以选择合适的太空探测
Recently, several scientists in Switzerland are designing a spherical robot named “Tumbleweed” that is relatively light and about 2 meters wide and will be able to roll freely on the surface of Mars by the force of wind, Wind survey. The researchers also pointed out that another role of this robot is to survey the surface conditions of the surface of Mars in order to select the appropriate space exploration