因为采购订单不包含详细产品信息，所以需要进行单独查询，以便从产品表中查找产品详细信息。
Since the purchase order contains no detailed product information, a separate query is needed to find the product details from the product table.
用于创建采购订单的XML代码和关系代码大部分都相同，惟一的差别是用于查找产品当前价格的查询。
The XML code and the relational code to create the purchase order are mostly identical, with the only difference being the query to find the current price of the product.
在关系版本中，必须执行一个查询来获取每个采购订单中产品的列表。
In the relational version, we must execute one query to get a list of products in each purchase order.
信息采购按分类和地域共同定位，实现精准的垂直查询。
Procurement information by category and geographical co-location, achieve accurate vertical query.
提供对企业采购和招标全过程的管理、提供信息组织与发布、查询和维护、产品目录维护等功能。
Offer and purchase and call for bid overall management, offer information organization and releasing, inquire and maintaining, such functions as the catalogue is safeguarded to enterprises.
该系统具有自动调整储备定额，编制采购计划，分析统计、报表、查询等多种功能的计算机管理系统。
This computer management system has the functions of automatic regulation of reserve quota, purchase plan compilation, statistics analysis, reporting and inquiring.
该系统主要有用户管理、采购管理、入库管理、销售管理、收付款查询和基本信息管理六个基本模块。
The main users of the system management, procurement management, storage management, sales management, payments, and basic information management inquiry six basic modules.
具有权限管理、采购合同、退货单及查询等功能。
It has the functions of the authorization management, buying contracts and products return processing, and order tracking.
具有权限管理、采购合同、退货单及查询等功能。
It has the functions of the authorization management, buying contracts and products return processing, and order tracking.
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