You might need to construct the source data models by using reverse engineering techniques, developing Entity and Relation (er) models from existing source databases.
您可能需要通过使用逆向工程(reverse engineering)技术构造源数据模型，从而从现有的源数据库中开发实体和关系(Entity and Relation,er)模型。
Over years, the exhibition has been selected as an ideal shortcut to expand market by many enterprises through establishing supply and demand relation efficiently and grasping developing tendency.
多年来展会通过有效构筑行业间的供需关系和把握发展趋势而被众多企业作为拓充市场的理想捷径。
This paper describes the relation between the transportation problem and the network flow programming, and discusses the importance of developing a transportation network system.
本文叙述了运输问题与网络规划之间的关系以及开发运输网络系统的重要意义，并给出了运输问题的数学模型。
Characteristic curve of dilute development, relation between the developing time, the exposure and the diffraction efficiency are given.
给出了稀释显影的特性曲线以及衍射效率与显影时间、曝光量之间的关系。
We determine carbinol in air with Chromotropic acid spectrophotometry, and found developing temperature and developing time exist certain linear relation.
选用变色酸分光光度法测定大气中甲醇，显色温度与显色时间有着一定的线性关系。
Maturing Spiritually : Group members are spiritual self-starters and are actively developing their relation ship with God.
灵命上成熟：组员在灵命上自愿自发且积极建造他们与神的关系。
Based on analyzing the relation of its basic structure and the effects of study, a series of strategies for developing learning motivation was proposed.
教育工作者应在分析学习动机的基本结构及其与学习效果关系的基础上，采用能激发学习动机的更积极的对策。
Properly dealing with the relation between learning of speciality and developing students' healthy painting psychology will bring considerable vitality to the teaching of ant.
正确处理专业学习和培养学生健康绘画心理之间的关系，会给教学带来长足的活力。
Therefore, geographic data model based on relation typed database is established in developing information administrative system of nature reserves.
为此，在开发自然保护区信息管理系统时，建立了基于关系型数据库的地理数据模型。
Objective To investigate the relation between ASGP-R developing and the reserve function of hepar.
目的探讨肝非唾液酸糖蛋白受体显像与肝储备功能关系。
The principles of developing it are those of grammar, communication, cognition, emotion, relation, practice and so on.
培养该能力的教学原则是语法原则、交际原则、文化原则、认知原则、情感原则、相关性和实用性原则等。
The relation between freedom of trade and labour standard has been for long a focus of disputes between developed and developing countries.
劳工标准已经成为我国不可回避的问题，我们迫切需要弄清楚劳工标准与中国国家竞争力的关系。
Properly dealing with the relation between learning of speciality and developing students' healthy painting psychology will bring considerable vitality to the teaching of...
正确处理专业学习和培养学生健康绘画心理之间的关系，会给教学带来长足的活力。
We're sincerely looking forward to developing friendly business relation to carry on the spirit of helping each other and build a proprous future together.
真诚希望同海内外客户建立良好的业务往来，发扬互助互作的精神，共创美好末来。
Abstract: Developing a quoted-price system for manufacturing productions is often in relation to many factors between construction and non-construction.
摘 要：制造产品报价及其系统的研究与开发需要处理许多结构化和非结构化的因素，这些因素包括技术因素、财务因素和商务报价因素等。
Abstract: Developing a quoted-price system for manufacturing productions is often in relation to many factors between construction and non-construction.
摘 要：制造产品报价及其系统的研究与开发需要处理许多结构化和非结构化的因素，这些因素包括技术因素、财务因素和商务报价因素等。
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