唐焕文，秦学志。最优化方法。大连：大连理工大学出版社，1994。

Tang H., Qin X... Optimization Methods. DaLian: DaLian University of Technology Press, 1994.

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秦健，学英语是不是很难啊.

Jian Qin, learning English is not very difficult.

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集团犯罪学专家秦(chin)说“态势不会因为打黑活动得到多大的改变，如果他们逮捕了四五十名黑帮，那只不过意味着另外的黑帮会取代他们罢了。”

"It's not going to change the situation that much," says Chin, the organized-crime expert. "If they arrest 40 or 50 top gangsters, another group of people will simply replace them."

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