市场竞争促进了电信技术的进步，电信业务资费的下降和服务的提高。
Market competition advanced the technology of telecom, declined the price of telecom and improved the telecom service.
但随着竞争的不断加剧，资费持续下降，削弱了小灵通的资费优势，也不断打压了小灵通市场空间。
Yet with the increasingly fierce competition, the fee of telecommunications was plummeting, so the advantages of PHS generally disappear and the PHS market was smaller.
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