However, prior to construction, the project had undergone more than 20 years of feasibilitystudies.
然而，在施工前，该项目已经经过了长达20多年的可行性研究。
2
The lack of a formal representation for concepts also results in an inadequate ability to make decisions at the level of systems in the product, such as during feasibilitystudies.
对于概念缺乏正规化的描述也会导致产品在系统级别缺乏足够的作出决定的能力，比如在可行性研究阶段。
3
"It's relieving to see some serious studies being done on the actual feasibility of installing renewable energy systems," Barber says.