从市场情况来看，电信业的竞争正在加剧，PSTN（公共交换电话网络）、CATV（有线电视网）、ATM和IP（数据网）都在相互窥视对方的传统市场。
According to the circumstances of the market, the competition of the telecom vocation is intensifying, the operators of PSTN, CATV, ATM and IP networks are peeking at others traditional markets.
从市场情况来看，电信业的竞争正在加剧，PSTN（公共交换电话网络）、CATV（有线电视网）、ATM和IP（数据网）都在相互窥视对方的传统市场。
According to the circumstances of the market, the competition of the telecom vocation is intensifying, the operators of PSTN, CATV, ATM and IP networks are peeking at others traditional markets.
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