Just because these rules are part of the logical data model, one should not assume that they must be enforced by a database.
由于这些规则是逻辑数据模型的一部分，所以不应该认为一个数据库必须实施这些规则。
"Technology is easy to develop," he says. "Developing a new attitude, moving the culture from one mental model to another, that's the difficult part."
“科技是容易开发，”他说，“开发需要一个新的态度，从一个文化思维模式转换到另一个，那是困难的方面。”
One of the handiest things about environment variables is that they are a standard part of the UNIX process model.
环境变量的最便利之处在于：它们是UNIX进程模型的标准部分。
In part, this is achieved by leveraging the SCA programming model, which enables treating different types of services with one description and deployment mechanism.
在某种程度上来说，这个目标是通过利用SCA编程模型实现的，该模型允许使用一个描述和部署机制处理不同类型的服务。
The ability to efficiently make war has gone from a model based on men and machines to one which is in part based on software, communications systems, and sophisticated hardware.
最先进的战争已经从人与机器的模式转变成软件，通讯系统，精密硬件的战争。
There are a number of ways to do this, but one nice technique you can use with XForms is to store it as part of a model, as shown in Listing 3.
办法很多，比较好的一种是作为XForms模型的一部分存储，如清单3 所示。
The organizations have to move from a layer specific security model to a holistic one which includes business processes, users and systems as part of the overall security response model.
组织需要从分层的安全模型转到全局安全模型上来，其中包含了业务流程、用户与系统，他们共同作为整个安全响应模型的组成部分。
Everyone realizes now that free ad-supported content is not the exclusive model of the future; it's just one part of it.
大家都意识到现在广告支持的免费内容是不是未来的独家模式，它只是其中的一部分。
So I prefer to view the XML schema as part of a continuum of models, from the high-level model to the low-level one.
因此，我倾向于把XML模式看作是从高层模型到底层模型的模型连续统一体中的一部分。
The reverse engineering is considered one means of manufacture. It can measure the part of the automotive panel and reconstruct its model.
逆向工程作为产品制造的一种手段，可以将符合要求的汽车覆盖件零件进行测量并反求出零件的三维模型。
As regard its legislation model, an expedient is to admit its rationality and justice by judicatory interpretation, an ideal one is to prescribe it as a named contract in the debt part of civil code.
隐名合伙的立法模式选择，权宜之计是通过合同自由的司法解释承认其存在的合理性与正当性，理想方案则是将其作为一种有名合同纳入民法典债编。
Part Three: Problems in the "One people, one school" Model and Suggestions to Enhance the Model.
第三部分为“一人一校”存在的问题与加强“一人一校”建设的建议。
The sixth part forecasts the future logistics demand of Shandong Province on the basis of one linear regression, polynomial regression, gray system G(1,1) model and combination forecast model.
第六部分采用一元线性回归、多项式回归、灰色系统G（1，1）模型和组合预测模型对山东省现代物流业未来需求状况进行了中期预测。
Fault detection is a crucial part of the distributed fault tolerant system, and failure classification model is one of the most important factors to affect the performance of a fault detection system.
故障诊断是分布式并行环境下容错系统的关键部分，故障分类模型是影响故障诊断性能的重要因素之一。
After setting up the model in part one, today we go on to look at animating the model before finally setting up the scene for rendering.
成立后的第一部分的模型，今天我们去看看，最后才成立动画渲染的场景模式。
Community health services model is advocated by the World health Organization and one of the important part of China's new healthcare reform system.
社区卫生建设是世界卫生组织倡导的服务模式，是我国新医改的重要组成部分。
Transforming the 2D drawing to 3D part model is one of the common design methods in manufacturing industry.
将二维图纸转换为三维零件模型是目前制造企业常用的设计方法之一。
The system comprises two part of the software. One is about telegram information management, based on B/S model;
系统软件整体设计包括两部分：一部分软件基于B/S模式，实现应答器报文信息管理工作；
This master model is a full-scale representation of a part design that incorporates all of the geometry for one of the part surfaces.
原模应以同样比例大小展现部件表面的形状设计。
The variable weight theory is introduced, one-way traffic planning scheme is synthetically evaluated and analyzed with the synthesizing evaluation model of variable weight and part variable weight.
引入了变权理论，利用变权和局部变权综合评价模型对单向交通规划方案进行综合评价分析。
Submarine battery is main part of power system of submarine. In order to research on power system of submarine by simulation, one must model battery outer characters.
潜艇蓄电池是潜艇主动力系统的重要组成部分，要对潜艇主动力系统进行仿真研究，必须建立精确的蓄电池外特性模型。
The utility model is characterized in that the middle position of the cover surface is provided with at least one convex part.
其特征在于所述的罩面的中间部位设置至少一个突出部分。
For new part or model, please enclose one sample and its approval certificate. both paper and electronic.
新型号请送样承认并检附承认书(书面及电子档)。
In the second part, a predator-prey model of ordinary differential with one-way diffusion is studied considering the monsoon, river flows, other natural conditions and living habits as background.
第二章以季风、河流流向等自然条件和生物生活习性为背景，建立食饵单向扩散的捕食-被捕食系统的常微分模型。
The utility model relates a placing structure for a portable audio and video playing device, comprising a foundation with a hollow part at one end surface;
本实用新型是有关于一种携带式影音播放装置的置放结构，其包含一 端面是具有凹陷部的底座；
The utility model relates a placing structure for a portable audio and video playing device, comprising a foundation with a hollow part at one end surface;
本实用新型是有关于一种携带式影音播放装置的置放结构，其包含一 端面是具有凹陷部的底座；
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