但是有一个方法可以克服机动假臂的这两个难题——利用一种叫做定向神经移植的技术。
But there is a way to overcome both these difficulties with motorised limbs, using a technique called "targeted reinnervation".
此发现证实了一个天文学家小组先前获得的观察：银河系有两条主要的螺旋臂，是一个普通中心带有横条的星系结构。
The findings confirm an earlier observation by a team of astronomers, making a strong case that the Milky Way has two major spiral arms, a common structure for galaxies with bars.
在它所携带的10台科学仪器中，有两台仪器可以吸收并分析探测器机械臂所收集的岩石粉末样品。
Its 10 science instruments include two for ingesting and analyzing samples of powdered rock that the rover's robotic arm collects.
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