It was more than under monopoly, less than perfect competition.

它比在垄断下的产量高,比完全竞争下的产量低

耶鲁公开课 - 博弈论课程节选

So basically the idea is that the more these firms produce, so the more the total quantity produced q1 + q2, the lower is the price in the marketplace for this product.

核心思想就是两家企业生产得越多,即产量,q1 + q2,越大,该产品的市场价格就越低

耶鲁公开课 - 博弈论课程节选