Sunderland are unchanged from the side who beat Chelsea 2-1 last time out. Sunderland XI: Roefs, Hume, Mukiele, Ballard, ...
The 34-year-old state assemblyman from Queens has risen from obscurity to national prominence with a bold, left-wing platform ...
科学家们设计了一种只凭手腕运动就可以抓握物体的机械手。这只由英国剑桥大学研究团队研发的3D打印机械手中被放置了传感器，从而能够 “感知” 它所触摸的物体。 Researchers say their robotic hand can handle items that are currently too delicate for machines. The hand uses wrist ...
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