urgent situation
4.Secondly, the requirable boundary condition of the heat analysis is calculated, the temperature field and stress field of the 23t and 25t axle load wheels are simulated respectively as they are in urgent braking situation with the initial velocity of 120km/h and urgent braking distance of 1100m and 1400m and with the constant speed in the long down slope.
7.Employing the theory analysis and case study, this article firstly analyzes the service position of local telecom equipment manufacturers with matrix theories of Boston, and points out the urgent necessity of service transformation under the macroeconomic environment, industry situation and market competition.
8.We have summed up the experience gained since its outbreak and appraised the present situation, defined the urgent tasks confronting the whole nation and explained the reasons for sustaining a long war by means of a long-term national united front against Japan and the methods for doing so, and we have analysed the international situation.
10.With the development of Computer Integrated Manufacturing System(CIMS) and Concurrent Engineering(CE), the effect of assembly on the design and manufacture of product is receiving more and more recognition, but the backward present situation of assembly technique is not consistent with its function, it is urgent to develop Computer Aided Assembly Process Planning(CAAPP) in the integrated environment.
