After nine months in space, Nasa astronauts Butch Wilmore and Suni Williams have finally arrived back on Earth.
Scan the crate to find areas of algorithmic weaknesses in extreme cases, and write a sentence for each describing the problem, the potential solution, and quantifying the impact of the solution
，详情可参考同城约会
1. Where is the story coming from? Is it from a reputable source or news site? Some sites specialise in ‘gossip’ and rumour style stories while others focus on the facts. It’s important to know the difference between the two.。同城约会是该领域的重要参考
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