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非标UFO 发表于 2015-6-2 11:14 4 F4 f ?# d! f: ^4 f# m2 u 我怀疑桌子下面有个磁铁哈哈
动静之机 发表于 2015-6-2 18:18 " j, ?8 I' H& d' M' |. A4 fA new micro-machine created by scientists from MIT and TU Munich is able to self-assemble, walk on v ...
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