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The research of a solution on locating optimally a station for seismic disasters rescue in a city

Qing-Lin YAO (Institute of Geology,State Seismological Bureau, Beijing 100029,China)  
When the stations for seismic disasters rescue in future or the similars are designed on a network of communication line, the general absolute center of a graph needs to be solved to reduce the requirements in the number ofstations and running parameters and to establish an optimal station in a sense distribution of the rescue arrivaltime by the way of locating optimally the stations. The existing solution on this problem was proposed by Edward (1978) in which, however, there is serious deviation. In this article, the work of Edward (1978) is developed in both formula and figure,more correct solution is proposed and proved. Then the result from the newersolution is contrasted with that from the older one in a instance about locating optimally the station for seismicdisasters rescue.
【CateGory Index】: P315
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