在著名科学家陈国达教授创立地洼学说30周年之际,我们聚会长沙,交流30年来运用地洼学说研究我国区域大地构造和矿产形成条件及分布规律,为国民经济建设服务的成果。我们欣喜地看到,地洼学说的研究、应用在国内硕果累累,在国外大放异彩, At the 30th anniversary of the founding of the famous scientist Professor Chen Guoda, on the occasion of the thirtieth anniversary of the founding of the “Wawa theory,” we gathered in Changsha for 30 years to study the conditions and distribution laws for the formation of geology and mineral deposits in the region and the result of serving the national economy by using Diwa theory. We are delighted to see that the study of Diwa theory has achieved great successes in the country and has shone brightly in foreign countries.