Production frontier contacts with the technical inefficiency, and it is also tallies with the boundary of possible production set.

生产前沿与生产的技术无效性是联系在一起的，同时生产前沿又与生产可能集的边界很好的吻合起来。

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The pap er focused on technical efficiency of carp production in China by using the production frontier and technical inefficiency model.

本文应用随机边界产量函数对我国鲤科鱼类池塘养殖的技术效率进行了分析。

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Results show that the overall technical efficiency of China's telecom industry is relatively low, which mainly results from the pure technical inefficiency;

研究表明，我国电信业整体技术效率较低，纯技术效率低下是造成整体技术效率低下的主要原因；

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But a decade later, despite financial and technical aid from the World Bank and sympathetic countries, this programme had completely failed due to inefficiency, corruption, resistance from peasants and the rise in the price of imported petroleum.

BBC: Tanzania profile