1985年11月26日至30日,在杭州召开了水工物探学术交流会及第四次全网大会。参加会议的有46个单位的89名代表。会议收到论文计53篇。会议认为,自第三次全网大会以来,一些新方法、新技术在水工物探工作中得到越来越广泛的应用.这次会议重点交流的内容有:密度测井、浅层反射、岩土横波测试技术,以及电算技术在水工物探中 From November 26th to 30th, 1985, the geophysical exploration conference and the fourth conference of the entire network were held in Hangzhou. A total of 89 representatives from 46 units attended the meeting. The conference received 53 papers. The meeting believed that since the Third World Conference, some new methods and technologies have been applied more and more widely in the field of geophysical exploration. The focus of this meeting is on density logging, shallow reflection, and rock formation. Soil Shear Wave Testing Technology and Computer Technology in Geophysical Prospecting