It seemed logical, from the point of view of sound constructioneconomics and thermal and acoustic insulation, to choose concrete for the building's main structural framework.
从建筑经济学观点和隔热隔音的角度来看，选择混凝土用于建筑的主要结构框架似乎是合理的。
2
But even if nuclear power plant construction costs rise as a result of this incident, the economics of power generation still favor a mix of energy sources that include nuclear.
但是，即便此次事故导致核电站建造成本上升，电力生产的经济学青睐的仍是包括核电在内的多种能源组合。
3
This article interprets the regional markets and marketing activities on the basis of regional economics and the theory of marketing in the case of Xuzhou Construction Machinery Group(XCMG).