President Bush Meets with Former Commanding General of Multi
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If there's a building down the block which is being demolished, are there materials there that the new building being built here can use? 如果不远处有一栋楼正在被拆毁,拆下来的这些材料中有没有一些是这边的新建筑物可以使用的? Can we use that, t
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You need an AUV, an autonomous underwater vehicle. 你需要个AUV,一个自行式水下航行器。 It needs to be one smart puppy, able to navigate and make decisions on its own in an alien ocean. 它必须很聪明,能够自己导航在陌生的外星球的大洋里能够自己做决定