Calculation method for used motor vehicle s residue ratio;

Improvement for used motor vehicle value assessment with production costs method;

Nonsymmetrical Information Structure and Evaluation to Used Motor Vehicle;

This paper reviews the domestic and foreign recycling of worn out vehicle waste generated by the secondary pollution,comprehensive summary of the development experience of foreign countries,combined with China\'s actual conditions,worn out vehicles on China\'s waste recycling industry has put forward reasonable proposals secondary pollution control.

The meaning and characteristic of remanufacturing engineering were put forward, the reused resource and high additional values of obsolete engines were analyzed.

For work need,the paper analyzed several factors of influencing price of old automobile,proposed list price plan and compute method of suiting to practice for reference.

If there is a barrier behind the backing automobile,the voice record-reproducing circuit,which is controlled by ultrasonic wave intelligent distance-measuring sensor,can remind the driver with different sentences according to the distance between the tailstock and the barrier.