Its engineering cost characteristic changes a great deal to the area of plain.

Based on the analysis of automobiles’ form features in terms of Morphology, this paper mainly focused on Feature Lines and the Belt Line of automobiles.

Based on the concept of form feature and automobile form feature line,brought forward an automobile form design method based on the form evolution.

The conception of form feature was introduced and the main form feature line E1 was selected as the research object in terms of styling image.

A preliminary discussion on the structural features in Hunchun mining area;

Geological Structural Features of Yangjia Mining Area and Prospect of Coal Prosecuting;

Geological structural characteristics and analysis on paleostress field in No.2 Mine field in Yangquan;

The Structural Characteristics Research and Structural Zones Evaluation of Ta Dong Area in Tarim Basin;

Analysis of Structural Characteristics and Reservoir Condition of Fault Blocks in Donpu Depression;

After analyzing structure characteristics controlling metallogenic belt, ore field, and deposits, two structure assemblage .

Faulting distribution and mechanism,magmatic activity and local structure characteristics are analysed in this paper.

According to various structure characteristics,using GeoFram analyzes processing parameters of dip angle data.

With the STEPNC's characteristic of feature-oriented and object-oriented,the working step for the manufacturing features can be set up.

In this paper, design feature, manufacturing feature, technique feature and evaluation feature are reinterpreted and a new kind of feature, that is neutral feature, is defined for the first time.

The high speed machining based on manufacturing feature is presented, and the defaults of integration of CAD/CAM/CNC in present conventional NC Machining are analyzed.