As a kind of management theory of modern enterprises, value chain plays a vital role in improving the increment efficiency of the enterprises' production and management activities.
价值链作为一种现代企业的管理理论，对提高企业生产经营活动的增值效率中起着重要的作用。
This paper defines the meaning of information value chain, constructs its model, and finally analyzes the increment mechanism and strategies of information value chain.
本文界定了信息价值链的内涵，构建了信息价值链的模型，并分析了信息价值链的增值机制和增值策略。
By analyzing the value chain to ascertain increment task to construct system of many kinds in order to assure system's validity.
通过价值链分析确定增值作业，建立各种体系，以此来保证煤矿成本控制系统的有效性。
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