Some Recent Progress of Geotomography in Germany

The author got the invitation of Prof. S.J. Duda, Hamburg University, and acquired the financial support from Max-Plank Foundation, in June-August, 2002, visited five geo-sciences organizations in Germany. According to our seeing and hearing, and combination with the literatures and internet web in geo-tomography, we report in outline as follows, and will be added the supplements by special subject in next issues.