中国何时成为世界科学中心 - Never, but maybe some Chinese American can win big prizes in science. No freedom of thinking, No freedom of speech, etc for about 2000 years (From HanWuDi), so China has No soil for free thinking and creative thinking, especially in last 70 years - Dictators and Dictation.
但以中华民族的智慧,中国的科学进步,及其在科学界的重要性将一定会是世界前列的!
我搞了几乎一辈子的科研,深知这个领域的世界。