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为了纪念德国自然科学家及医生协会成立一百周年在1958年9月29日在德国威斯巴登的德国化学家协会讲演会的讲演
In honor of the centenary of the German Association of Natural Scientists and Physicians in a lecture by the German Association of Chemists at Wiesbaden, Germany, on September 29, 1958