Human productivity and unit yield, efficiency and scale of operation positively correlated.

人力生产力与单位产量、效益和经营规模呈正相关。

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Interlock operation is one of the most popular marketing strategies for retail sales in the developed countries, which can reduce cost and increase scale efficiency.

连锁经营是当今世界发达国家零售业最主要的营销方式，它可以降低流通费用、提高规模效益。

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Shunting operation is an important link in enterprise railway transportation, its working efficiency has decisive impact on railway transportation ability and enterprises scale of production.

调车作业是企业铁路运输的重要环节，其工作效率直接影响着企业铁路运输的运能和企业的生产规模。

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