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随着通信与计算机技术的飞速发展，特别是Inter－net／Intrant的普及，计算机网络建设已成为地县级以上医院的热门话题。据报道90年计算机网络的投入产出比是20：1，95年的投人产出比是5：1，加上计算机的耗材、维修及设备淘汰，可预计在今后较长时间内网络建设必然投资大，效?
With the rapid development of communication and computer technology, especially the popularity of Inter-net/Intrant, the construction of computer networks has become a hot topic in hospitals above the county level. According to reports, the input-output ratio of computer networks in the 1990s was 20:1, and the ratio of investment to production in 1995 was 5:1. With the elimination of computer supplies, maintenance and equipment, it is expected that network construction will take longer time in the future. Inevitably, the investment is large and effective?