The competition among modern enterprises is increasingly fierce and has extended from products and services to enterprise internal value chain.
现代企业间的竞争日益加剧，已从产品和服务的竞争，扩展到企业的整个价值链之间的较量。
Taking oil-gas recovery enterprises as studying object, a quantitative model of its industrial value-chain and internal value-chain was set up and the relevant positive analysis was carried on.
以油气开采企业为研究对象，建立了油气开采企业行业价值链和内部价值链的数量模型，并进行了相应的实证分析。
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