文章对数据库的概念模型、物理模型设计工作进行了详细描述。
The design of the risk database, including conceptual model and logical model, was described in details.
新产品的设计不再仅仅是CAD软件设计,可以是物理模型设计与CAD设计的实、虚结合。
The design of new product is no longer a CAD software design only, but also can be a combined design of physical model design and CAD design.
上面的示例演示了如何创建空白物理数据模型,但是如果已经定义了数据库,希望修改设计,那么应该怎么办?
The above example showed how to create a blank physical data model, but what if you already have the database defined and you want to modify your design.
在上面的数据设计项目中通过OLAP创建物理数据模型。
Create a Physical Data Model with OLAP in the Data Design project above.
这将是最终的物理流程设计模型。
接受模型的这50%(或者不管验证了多少),并开始进行物理设计。
Take this 50% (or however much is validated) of the model and start working on the physical design.
数据库模型:封装供此特定项目使用的逻辑和物理数据设计。
Database model: Encapsulates a logical and physical database design for this specific project.
这样就能够在进行任何物理设计之前,让业务用户检验数据模型。
This gives you the ability to validate the data model with business users before you actually perform any physical design.
为了是数据模型更加有效,它必须足够简单以使最终用户能够沟通必需的数据结构,同时它也要足够详细以使数据库设计人员能够创建物理结构。
To be effective, it must be simple enough to communicate the required data structure to the end user, yet detailed enough that the database designer can create the physical structure.
在PhysicalDataModelFile页面上,接受数据设计项目的默认值,指定CMERDADemo_HR_changes作为物理模型的名称,然后指定数据库类型。
From the physical data model File page, accept the default value for the data design project, specify ARCH_JKENT_HR_changes for the name for the physical model, and specify the database type.
物理数据模型可以提供数据库实体的视图,您可以做出设计决策,然后在当前的数据库模型中实现这些决策。
The physical data model gives you a picture of your database entities and lets you make decisions, then execute them on your current database model.
与建造物理模型或者使用数学模型不同的是,软件设计者靠编写高层的代码来建立“模型”。
Instead of building physical models to scale, or using mathematical models, software designers typically "model" by writing high level code.
可以从业务需求轻松地创建逻辑数据模型,并把它转换为反映数据库设计的物理数据模型。
You can easily create a logical data model that is derived from business requirements and transform that into a physical data model that reflects your database design.
阶段III:将物理业务流程设计模型增强为实现模型。
Phase III: Enhancing physical business process design model to the implementation model.
阶段II:从逻辑模型中得出物理业务逻辑设计模型。
Phase II: Derive physical business process design model from logical model.
在本场景的第二部分中,Tom将从Eric那里收到的HR数据库的物理模型添加到一个数据设计项目中。
In the second part of the scenario, Tom transforms the physical model into a logical model, and then makes the following changes to the logical model using a data diagram.
设计了含圆柱形障碍体的平直断层物理模型,在概念上可模拟断层面上与地震孕育相关的障碍体等强固区域。
A physical model of regular fault containing a columnar barrier is designed, which can conceptually be used to simulate the barrier or strong area concerning the earthquake pregnancy.
数据建模中一种常见并被长期使用的设计模式是将数据模型分为三部分:概念模型、逻辑模型和物理模型。
A longstanding and common design pattern for data modeling is the division of the data model into three parts: a conceptual model, a logical model, and a physical model.
对于在一个方向物理及几何参数为常量的结构,其离散-连续设计模型是建立在所谓的离散-连续有限元的基础上的。
The discrete-continual design model for structures with constant physical and geometrical parameters in one direction is offered on the basis of so-called discrete-continual finite elements.
另一方面,如果可能,一个物理模型以符合产品要求的方式,并且按初始比例简化,以便使任何人都能在设计和造型上做出正确的评价。
On the other hand, if possible, a physical model to meet the product requirements, and according to the initial ratio of simplified, so that anyone can design and modeling of the correct evaluation.
在逻辑设计与物理设计过程中通过数据规范化后得出最终的ER模型图并给出系统数据字典。
The final ERD (entity relationship model diagram) and system datum dictionary are given through data sheets normalization during logic design and physical design.
设计开发了完整的股票分析数据仓库逻辑和物理模型,以及相应的ETL程序。
Designed and developed an entire stock analysis data warehouse logical and physical data models and corresponding ETL program.
邓肯-张模型由于试验参数少,其物理意义明确,在很多理论计算、设计和实际工程中仍然广泛运用。
Duncan Zhang model, which has several parameters with definite physical meaning, is widely applied in theoretical calculation, design, and actual projects.
设计了共线不连通断层物理模型,在概念上可模拟与地震孕育相关的障碍体或强固区。
A physical model for collinear fault with an unconnected area has been designed and conceptually been used to simulate the barrier or strong area concerning the earthquake preparation.
实体框架给概念模型带来了新的生命力,实体框架支持对概念模型进行设计并连接到逻辑模型以及物理模型。
The Entity Framework gives life to conceptual models by enabling them to be programmable and connected to underlying logical and physical models.
此象差模型有助于揭示彩虹全息消色差的物理本质,对于光路设计中参数的先择有实际意义。
The model is helpful in disclosing the physical nature of achromaticity in rainbow holography, and has its practical significance in the selection of parameters in light-path design.
当一个工程师或科学家设计了一种新的电子设备模型或物理实验方案,实施和操作这些方案工作往往落在这一领域的技术人员身上。
When an engineer or scientist designs a new electronic device or physics experiment, the job of constructing and operating the test often falls to a technician in this field.
我们设计并实现了一个基于物理模型的32电极的高精度iceit数据采集硬件系统。
We design and set up a high accuracy ICEIT hardware system with 32 electrodes based on physical phantom.
论述了课表编排系统数据库的概念模型、逻辑模型以及物理模型的设计和规范化设计。
Discusses the designs of concept models, logic models, physical models and standardization of the database in timetable planning system.
目的设计一种颈动脉的物理模型,以替代动物实验,分析新型动脉滤器栓子捕获效率的影响因素。
Objective to develop a physical in vitro model of the human carotid artery (ca) and analyze the factors that influence the embolus-capturing efficiency of the retrievable artery filters.
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