ABBREVIATION for previous question 先决问题
It is the derivative of revenue pq with respect to quantity.
它是收入Pq相对于数量的导数。
Major equipment and critical utilities and systems, however, require IQ, OQ and PQ.
对主要的设备、关键的公用设施和系统，还需要开展IQ、OQ和PQ。
After simple statistics, the dimension can act as the input vector of ANN for PQ classification.
盒维数的简单统计结果可以作为PQ神经网络分类器的输入特征量。
应用推荐