The rate of malocclusion in normal students was 62. 3%, ankyloglossia 6. 6% , and abnormity labial frenum 4. 8%.

健康组错畸形62.3％,舌系带过短6.6％,唇系带异常4.8％。

Then, as examples, the diary management system, octonary furcated tree method, separating deal of date and time and abnormity check-up system were used in respect region.

如建立日系、将八叉树编码方式应用到监系的编号、建立监值异常检出系等，并给出了部分实例。