1. The invention of the valve girdle jumpiness detection utensil for the engine cylinder cap belongs to the technology area of the detection utensil in process of the automobile production.

2. All expansion facilities shall be installed and kept smooth, straight and neat, no jumpiness will occur when the vehicles pass across them.

3. A suit of the automatic checkout equipment used for the axle parts is designed. The equipment can check automatically the diameter, circle degree and circle jumpiness.

4. The fixed knife device for a grass cutter solves the problems of easy jumpiness and deformation of the existing fixed knife device for a grass cutter.

5. Up to the present, we have not be so close to world pulse's jumpiness and such deep feel the global competition and various culture.

6. Introducing a kind of dynamic capability study method which tested jumpiness of the sawblade made in Germany on the precision sizing saw machine, as well as vibration of principal rotation axle.

7. Compared with box counting method , the proposed method avoids jumpiness of calculated fractal dimensions.