分屏显示一段文章,共分七屏,纯文字,没有数字和字母.-Sub-screen display section of the article is divided into seven screens, plain text, not numbers and letters.

Aprior算法，Fp树算法，K均值，k中心点聚类算法，都可实现-Aprior algorithm, Fp tree algorithm, K-means, k center clustering algorithm can be realized