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- entity set model 实体集合模型
- Examples of entity set are:all rooms in a building,all elements in a finite element mesh, all bearings in a machine. 实体集合的例子有:一座建筑物中的所有物品及房间、在一个有限元网络中的所有元素、一台机器中的所有轴承。
- When a weak entity set appears in an E/R diagram, we need to do three things differently. 如果E/R图中出现弱实体集,我们需要做各不相同的三件事。
- As always, we represent an E/R relationship in the relational model by a relation whose schema has the key attributes of the related entity sets. 如果我们采用E/R模型来进行设计,我们的一个任务就是要搞清楚如何将E/R设计转换为关系模型的设计。
- TouChina International Inc. is a high-technologically invested operating entity set up in2003 in Toronto, Canada, and now expanding into Los Angeles and San Francisco, USA. 加拿大达奇国际有限公司是加拿大多伦多的一家经营性实体;经过不断开拓,发展,和创新,现在经营业务已经扩大到美国洛杉矶和旧金山。
- Founded in the end of 1996, Sanban Studio has been an entity set up for the transmission of engraving art works, academic communication, technical development, copy and sales of artwork. 三版工坊成立于一九九六年底,原是一个为着眼于版画艺术品的传播、学术交流、技术开发、制作、销售等环节而开办的实体。
- LANG K J.Linear consociation equation set model of forest ecological benefit[J].Chinese Journal of Applied Ecology,2004,15(8):1 323-1 328. [5]郎奎建.;森林生态效益的联立方程组模型的研究[J]
- Founded in the end of1996, Sanban Studio has been an entity set up for the transmission of engraving art works, academic communication, technical development, copy and sales of artwork. 三版工坊成立于一九九六年底,原是一个为着眼于版画艺术品的传播、术交流、术开发、作、售等环节而开办的实体。
- It constructed the set model for real estate development projects and studied the concrete operation of the model in practice with a practical example with the rough set theory. 技术上运用粗糙集的相关理论,得出了房地产开发项目选址的集合模型,并结合实例阐述了该模型在实际应用中的具体操作过程。
- Combined with Feature Value of Grades for results quantification,applying Variable Fuzzy Set model on assessment could overcome the unfitness of the maximum membership principle. 采用可变模糊集模型进行评价,以级别特征值方法量化评价结果,可有效解决最大隶属原则的不适应性。本文运用该模型对江苏省常熟市农业生态环境质量进行了评价。
- We are ,therefore,writing to place a norder for 100 sets model Y1 instruments. 此次去函的目的就是订购100台Y1型设备。
- The set of all entities of the same type and relationships of the same type are termed as entity set and relationship set respectively. 相同类型的所有实体之集合和相同类型的各种关系分别称作实体集合和关系集合。
- The data definition involves creating necessary tables in the target data store and providing clear definition of domain-level relationships between entity sets. 数据定义涉及到在目标数据存储中建立必要的表,并且提供实体集之间的域级关系的明确定义。
- This paper briefly introduces Fuzzy Set Model in customer satisfaction testing, explore evaluation targets of customer satisfaction in negotiable securities, and advance Fuzzy Method in customer satisfaction testing of negotiable securities. 本文简要介绍顾客满意度测评模糊模型,探讨证券业顾客满意度评价指标,提出证券业顾客满意度测评模糊技术。
- Depending on the item and your permissions, you might also be able to create reports in Report Builder, generate models, and set model item security. 您可能还可以在报表生成器中创建报表、生成模型和设置模型项的安全性,这取决于具体的项以及您拥有的权限。
- Based on the analysis of the information characteristic of image database (IDB) the general relation schema of IDB and the conception of Content_based Image Retrieval (CBIR) were investigated, and then a set model of CBIR was introduced. 在分析图像数据库信息特征的基础上 ,讨论了图像数据库的一般关系模型和图像数据库基于内容查询的定义 ,提出了相应的集合代数模型 ,指出遥感图像基于内容查询实现的两种方案。
- As knowledge block in knowledge base is fuzzy and is obtained randomly, we study the rough set model based on random fuzzy rough sets. 摘要当知识库中的知识模块既是模糊的又是随机得到的,我们定义了基于随机模糊集的粗糙集模型。
- Our florist is a professional entities set shop and online flower shop into a shop. 我们的花店是一家专业的集实体店与网上店为一体的鲜花店。
- It is now our aim to set up a factory. 我们现在的目的是创办一座工厂。
- BEYNON M.Reducts Within the Variable Precision Rough Sets Model:a Further Investigation[J].European Journal of Operational Research,2001,134:592-605. 米据生吴伟志张文修.;基于变精度粗糙集理论的知识约简方法[J]