1. a roll-on roll-off car ferry.

2. DEEPSEA roll-on roll-off cargo is as good an indicator as any of future economic activity.

3. Mainly use FMEA, in electrical system of hight-speed roll-on roll-off ships, to asses the system and hardware.

4. The current situations and problems of roll-on roll-off service of Chuanjiang River are introduced.

5. In the thesis the author summaries the state of roll-on roll-off transport in foreign and in our country and reviews the history of this kind of transportation in our country.

6. At first, the author investigates the rise and the characters of different the stages of the roll-on roll-off transport in three Gorges of Changjiang River.