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五十多年前,我在美国李海大学获得了科学硕士学位,后来到美国柯达公司精细药品车间实习,掌握了当时高分子材料合成与加工的一些基本理论和先进生产技术。我的导
More than fifty years ago, I got a master’s degree in science from Lihai University in the United States. Later, I went to an internship in the fine medicine workshop of Kodak Company in the United States and mastered some basic theories and advanced production technologies of polymer materials synthesis and processing at that time. My guide