This paper performs optimization of oil enrichness area and study on economic producing reserves basing on classified evaluation and prediction,using economic evaluation method,referring the real data of the test area and adopting multi-technique study.

The results showed that stem height,stem and inflorescent ramification are multiform in different habitats, and therefore have little taxonomic value.

The characters of reproductive organ have been the main evidences for the classification of Poaceae, but they are not totally equal in the taxonomic value because of the differences of their dependencies in morphological trait, growth position, developmental degree and environmental alteration.

Dividing market elaborately and adjusting price by classification are the keys to resolve the problem about railway s spring transport;