求翻译：本文在充分理解和掌握连锁经营、采购管理、Excel VBA概念及有关原理的基础上，研究并设计了基于Excel的采购管理系统。是什么意思？

On the basis of full understanding and grasp chain management, procurement management, excel, the Visual Basic concept and the relevant principles of design excel-based procurement management system.

This article in full understanding and mastering chain operations, procurement management, Excel VBA concept and how it works on the basis of the study, based on the design and management of procurement Excel system.

This article in the full understanding and the grasping chain-like management, the purchase management, Excel the VBA concept and in the related principle foundation, studied and has designed based on the Excel purchase management system management system.

This article fully understand and grasp the chain-like management, procurement management, Excel VBA concepts and the principles on the basis of research and design of the purchase management system based on Excel.

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