Library

I don't produce garbage. I am just a porter of nature. I'm not a superstar. I am Chi Jingxing. Please advise...

Tian Lixin, a Ph. D. In mathematics, returns to 1998. That year, news of the expansion of enrollment in Chinese universities was rampant. That year, "Sprouting" magazine was holding the first national new concept composition contest. That year, Huaxia had not yet entered the market, and the domestic film market was like a desert. That year, the Poincaré conjecture had not yet been selected as one of the seven millennium mathematical problems.