1. Gonservative treatment with drugs was variform and its success rate was more than 85%.

2. Conclusion:The clinical manifestation of extranodal malignant lymphoma was variform, which could be misdiagnosed frequently.

3. Inner Mongolia is large in area, rich in mineral resources and variform in geological environment.

4. However, the complex social change and the difference of each country decide the variform ownership pattern of socialism.

5. Results:Clinically all6cases showed severe erosion or ulcer of the oral mucosa with variform skin lesions. Solidary internal tumor was detected by CT in all cases.

6. The primary ossification centers of the vertebral body could found clearly with a variform.

7. Some other shape fuel assemblies were also discussed simply. Calculation results show that the DRAGON code can be used to calculate variform fuel assembly and the precision is high.