The latter type of auctions would require an advanced level of expertise and experience on the part of procuring entities, such as the capacity properly to factor any non-price criteria to a mathematical formula so as to avoid introducing subjectivity into the evaluation process.
后一类拍卖要求采购实体技能高超并且经验丰富，例如有能力将任何非价格标准适当纳入数学公式，以避免在评标过程中渗入主观因素。