转自：广州大学工程抗震研究中心
https://mp.weixin.qq.com/s?__biz=Mzg3MTY3ODk4NQ==&mid=2247487059&idx=1&sn=f1a84c5eba3a76fdaab240bdfdd28c6a&chksm=cefb9b35f98c1223a04bdcfeb1f414f4d77218c383fe7ffd328cae38c5d54abb066e1460438e&version=4.0.6.6516&platform=win#rd
