When I started practicing traditional martial arts back in high school, I did it merely for extra marks in the College Entrance Examination.But the actual benef
【摘 要】本文综合考虑方案可靠性、环保性、经济性、适应性、节能性、示范性等方面的因素,对实际项目的六种可行方案进行比对分析,并利用权重赋值法对各方案进行综合评分,结果表明集中地源热泵系统在此项目中最为合适。方案选定所采用的多因素权重赋值方法科学合理,值得今后相似工程的借鉴。 【关键词】能源站,权重赋值法,方案优选 Abstract: In this paper, six feasible en
The World Bank forecasts the global economy to expand by 4 percent, with China’s economy expected to grow by 7.9 percent in 2021, nearly double the expected gl
“Extremely extraordinary.” This was the top policymakers' conclusion on 2020 as they took part in the Central Economic Work Conference in Beijing from Decembe