念。过去认为获得解的分析表达式才是满意的解。现在则认为应对数学问题形成一种算世纪之交，随着现代科技和经济的迅猛发展，国际间竞争的焦点，归根结底是人才的素质之争。十五大报告指出：“我国现代化建设的进程，在很大程度上取决于国民素质的提高和人才资源的开发。... Read Analytical expressions that used to be accepted as solutions were satisfactory solutions. Now it is believed that the mathematical problems should be dealt with at the turn of the century. With the rapid development of modern science and technology and economy, the focus of international competition is ultimately the dispute over the quality of qualified personnel. The 15th National Congress of the Communist Party of China pointed out: "The progress of our country’s modernization depends to a large extent on the improvement of the quality of the people and the development of human resources.