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普遍服务的概念是由ATT的总裁西尔多.维勒于1907年提出来的,它是指行业提供的产品或服务同时满足三个条件,即一定的质量保证、针对所有用户、价格可以承受。在现代经济体系中,大多数自然垄断行业(如电信、电力、公共交通等)所提供的产品或服务一般为社会公众日常生活所必需,因
The concept of universal service was proposed by ATT’s president Silvio Ville in 1907. It refers to the industry’s offering of products or services that satisfy three conditions at the same time: a certain quality assurance that is affordable for all users . In the modern economy, the products or services provided by most natural monopoly industries (such as telecommunications, electricity, public transport, etc.) are generally necessary for the daily life of the general public because