On Old-age Security System in Rural Areas and Its Supporting Conditions——Based on an Investigation in the Rural Areas,Shanxi;

Through analyzing meaning and controlling dimension of flexibility and flexibility management,it is advanced that flexibility of superintended ability,flexibility of organization essential factors and flexibility of key ability in high-technology enterprise are essential supporting conditions of realizing dynamic strategic management model.

Based on the analysis of the conception of economy of scale in the third-party logistics,this paper makes a deep research on the internal and external supporting conditions of the economies of scale in the third-party logistics.

The wheel-rail contact was directly effected by vibration shape of rail,and rail vibration was largely effected by different support condition.

This paper presents a new optimization method for structural support condition based on GAS.

Based on the example of a large and single layer net hull,compared the distortion,strength and temperature stress of vary seat form conditon,analyzed single layer net hull support condition and the flexibility seat optimize design on different load and get an opposite and more excellent design project.