This article in compares two kind of the chart way of electrical secondary design,in view of the latter kind of closer international mainstream chart way,introduced the electrical secondary aided design software\'s development demand and the major functions.

According to the drag scraper and scooptram ore removal way in spontaneous caving of Tongkuangyu Mine, the advantages, disadvantages and suitable conditions of drag scraper and scooptram are elaborated.

Activity-based travel mode choice model and analysis on traffic demand management;

The relationship between the choice of travel modes and traffic resources configuration is an important problem of transportation theory.

From gross transportation demand, travel mode, transportation variety Per.

According to the impact of "forbidden motorcycle" policy upon the resident trip mode, it resolves the facing difficulty from prior to develop public traffic,moderate develop private traffic,logical lead bicycle traffic,and make "forbidden motorcycle" policy to resolve the urban traffic effectively.

Most of the dwellers living along the western highways adopt three trip modes in their daily life,such as walking,cycling and motorcycling.

In this paper,we discusses urban road grade configuration in respect of trip mode,and we also proposes a new method to determine road grade levels based on the probability of trip time consumption according to equilibrium mechanism.