哈法亚公司积极履行社会责任，长期致力于推动当地社区发展。去年5月，伊拉克米桑石油培训学院的大学生在企业开放日期间，走进哈法亚油田，实地上了一堂生动的培训课。米桑石油培训学院工程师侯赛因说：“我们对哈法亚公司的技术和实践进行了全面了解，学生们收获很大。希望将来继续开展此类活动。”
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For UNSAT problems with 10 variables and 200 clauses, it always claimed that the formula is SAT and made up assignments (See this example).