"We must take steps to ensure affordability both at the point of purchase and for vehicle servicing and repairs.
For UNSAT problems with 10 variables and 200 clauses, it always claimed that the formula is SAT and made up assignments (See this example).。关于这个话题，91视频提供了深入分析
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（二）非法买卖、运输、携带、持有少量未经灭活的罂粟等毒品原植物种子或者幼苗的；