求翻译：主要完成了对商品销售流程中的进货，销售，库存，退货等方面的管理，实现了对各类信息的添加、修改、删除、查询、打印单据等功能。是什么意思？

Completed the purchase, sales, inventory, returns and other goods in the sales process management, to achieve all kinds of information to add, modify, delete, query, print documents, and other functions.

To complete the major commodity in the sales process, sales, purchase inventory, return, management of all types of information add, modify, delete, query, print documents, and so on.

Mainly has completed to in the commodity sale flow inventory, the sale, the stock, returns goods and so on the aspect management, has realized to each kind of functions and so on information increase, revision, deletion, inquiry, printing documentary evidence.

Main completed its sale of goods in the process of purchase, sales, inventory, returns and other aspects of the management, the realization of the various types of information to add, modify, delete, query, print documents, and other functions.

正在翻译，请等待...