1. That is crytic feminine, secret feminine with strange and temptation, furthermore it is succumbing to black hole like maze.

2. It is found that the natural runoffs in these two stations have the same crytic period analysis period of 42.7 years.

3. Absrtact: Text mining uses the data mining technique to find and extract the crytic knowledge automatically from text files, which is self - existent the information users needed.

4. At last, examples prove that radio-wave penetration method can explore crytic hydrogeological abnormal structure successfully and exactly.

5. Text mining uses the data mining technique to find and extract the crytic knowledge automatically from text files, which is self - existent the information users needed.

6. Finally, variance analysis is used to verify the validity of the crytic model.