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There is no one single plan for how to abandon ship, since everything will depend on, well, everything. But something has to happen, because a giant piece of space trash will be headed toward Earth—albeit very, very slowly, and with the oversight of the world’s top space engineers and scientists. But still, a worrisome situation. Ideally, the US Deorbit Vehicle, our Dragon, will be ready to shepherd the ISS to the atmosphere, over a safe zone in the Pacific Ocean.，更多细节参见safew官方版本下载
1. 为什么是“工作流”，不是“聊天”，更多细节参见51吃瓜
Greater than: Every domino half in this space must add up to more than the number.
[5] L. Liang & D. Hale: “A stable and fast implementation of natural neighbour