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本地接人和传送区区内的本地网业务由该区的 LEC 独家垄断经营,1996年修订电信法，本地业务开放竞争，不再由 LEC 垄断
telecom., amer. local access and transport area LATA
本地接人和传送区美国划分的161个本地电话营业区，区内业务由 LEC 垄断经营， 跨区业务由各 IXC 竞争经营，1996年修订电信法，本地业务开放竞争，不再由 LEC 垄断
telecom., amer. local access and transport area

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