中国载人航天工程进入空间站应用与发展阶段以来，先后圆满完成6次载人飞行、4次货运补给、7次飞船返回任务，成功实施首次应急发射。
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Solver and cache: content-addressable execution
And then they had a minor breakthrough. The team discovered that a sofa seen in some of the images was only sold regionally, not nationally, and therefore had a more limited customer base.