Empirical analyses show, the higher the share of city size distribution is, the higher the index of average agglomeration efficiency is.
本文的实证结果表明，平均集聚效率指数的高低与城市规模分布比重的增减相一致。
2
The empirical results show that the volume of bonds issued each quarter is influenced by the average yield spread between high-and low-risk bonds.
实证研究结果表明，每季度债券发行量受到高，低风险的债券和债券平均收益率差的影响。
3
Poulos-Davis-Randolph (PDR) Method is a empirical calculation method. It is easy to compute the relation between the number of piles and the average settlement of the foundation.