* 时间复杂度: O(n+k) 平均 空间复杂度: O(n+k) 稳定: 取决于桶内排序
Donald Trump has spent much of his second term at war with science and scientists. He is cutting staff at institutions such as the Environmental Protection Agency (EPA) by a third, and has cancelled or frozen up to 8,000 federal research grants. This hasn’t just hurt individual research programmes, it has damaged America’s credibility as a reliable partner in the scientific community. It is not surprising that many researchers – one poll last year by the journal Nature gave the number of 75% – say they are considering leaving the US entirely.
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The company also has a UK site in St Athan, south Wales, as well as worldwide offices and dealerships.