Argentine fossil rewrites evolutionary history of a baffling dinosaur clade

· · 来源:study资讯

分布式并行处理:提升任务并发能力

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This formula is satisfiable because if we set to b to true and a to false, then the whole formula is true. All other assignments make the formula false, but it doesn't change that the formula is satisfiable as long as there is at least one assignment makes the formula true.

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