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应美国加州大学圣巴巴拉分校William A·Prothero教授的邀请作者于1986年5月访美,除了参观、访问了加州一带的大学外,还参加了美国地球物理联合会1986年春季年会。现将得到的有关美国深部构造研究方面的某些情况简介如下:
At the invitation of Professor William A. Prothero of the University of California at Santa Barbara, the author visited the United States in May 1986. In addition to his visit to the University of California, he also attended the 1986 annual meeting of the American Geophysical Union. Some examples of what we will now have about deep research on the tectonics of the United States are as follows: