To generate a high-level class diagram, you need to create a blank model first.
为了得到一个高层的类图，您必须首先建立一个空白模型。
So, once you have started your runtime workbench, create a new modeling project and create within it a new blank model called Objective-C Model.emx.
因此，一旦您启动了运行时工作台，建立一个新的模型项目并在其中建立新的空白模型，将其命名为Objective-C Model.emx。
If you paste the harvested class into the same class diagram or into another class diagram that is outside of a blank model, the class attributes and functions are invisible.
如果您将总结的类粘贴到同一个类图，或本空白模型以外另一个类图中时，那么该类的属性和功能将丢失。
Once you have done that, leave the defaults as they are (template type Blank Model, with a diagram type of Class Diagram, since we will be viewing our imported classes in the UML class diagram).
一旦你进行了上面的操作，余下的就是默认的内容了(模板类型Blank Model，与一个图表类型ClassDiagram，我们会一直能看见我们在UML图中输入的类 )。
Name the project order and add a blank package called order Model to the order project on the second page of the wizard. (see Figure 1).
命名项目为order，并在向导的第二个页面上，对排序项目添加一个名为orderModel的空白包(见于图1)。
Modify the blankModelPath argument to point to the blank (empty) model template (this file will not be overridden).
修改这个blankModelPath变量使其指向这个空白的（空的）模型模版（这个文件将不会被改写）。
You can create the glossary model using a blank template, or the Enterprise template with some populated terms.
可以使用空模板创建术语表模型，也可使用填充了一些词汇的Enterprise 模板。
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.
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？
Now that you have your blank physical data model, there is a lot that you can do to get started with this model.
有了空白物理数据模型之后，就可以以这个模型为起点做许多工作。
In this case, instead of checking to see if the field was blank we could invoke a method on a model object to ensure that the current user wasn't already in the system.
在该例中，不是检查字段是否为空，我们可以调用模型对象的方法来确保当前用户已经不在系统中。
In the bloggers.rdf model, contributor will match the foaf: Agent blank-node at the top of Figure 1.
在bloggers . rdf模型中，contributor会和图1顶部的空节点foaf：Agent匹配。
In general, reports such as the physical Data model and Column reports can be applied directly to a physical model to generate reports, while the blank reports are used as templates for customization.
通常，PhysicalDataModel和Column等报告可直接应用到一个物理模型上以生成报告，而blank报告则用作定制模板。
GUDEL Double Column Workpiece Loading Device, Model LP 25/25, standing above the machine, with double gripper for finished parts and blank parts, and workpiece delivery belt.
GUDEL双柱工件装载主轴，型号LP 25/25，位于机床上空，带用于精加工件和毛坯件的双卡爪及工件传输带。
Vessel areas rate, vessel density and resin vascular cast of HEr group, model group and blank group are got. Results are compared.
得灯盏细辛组、模型组和空白对照组的血管截面积比值、血管密度值等数据以及颊囊微血管树脂铸形标本，作观察对比。
At present, the study on textile standard conversion of production-oriented model to trade-oriented model in textile industry is still a blank field.
目前，对纺织生产型标准向贸易型标准转化进行系统研究在纺织行业研究领域中尚属空白。
Methods:Rats were divided into blank control group, negative control group, model group and icariin treatment group.
方法：分为空白对照组、阴性对照组、模型组、淫羊藿苷治疗组；
It transforms the fixed-shape gear three-dimensional model into numerical code inputting, and then the numerical machine can directly fix the blank.
将修形共轭齿轮三维模型转化为数控代码输入数控机床，由数控机床将毛坯直接加工。
Results: Compared with the blank control group, the gastric mucosal APC and P16 protein expression of the model control group was significantly lowered(P<0.05).
结果：与空白对照组相比，模型组大鼠胃黏膜APC和P16蛋白的表达明显降低（P<0.05）。
The simplified theoretical model of normal pressure was derived, and the pressure delivery principle of multi-point blank holder was analyzed with FE simulation.
根据理论计算得到了法向压力分布的简化模型，并结合有限元数值模拟对多点压边圈上的压力传递问题进行了分析。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gears left and right tooth profiles is built.
讨论了齿轮运动误差与模拟齿轮加工过程的关系；分析了齿坯几何偏心和变形对齿轮运动误差的影响；建立了左右齿廓形误差模型。
The blood-fat and ALT of the rats in the model group increased markedly compared with the blank control group (P<0.01);
模型组大鼠血脂、ALT较空白对照组和肝脂康组显著增高（P＜0.01）；
Secondly, compared the effects of different parameters of flange bending hydraulic rubber forming model on hydraulic rubber forming, and draw some conclusions of designing the side blank holder.
其次，比较了凸弯边高压橡皮成形模不同参数的选取对成形的影响，并总结出侧压块的一些设计规律。
According to the characteristic of hydroforming for rear axle housing, rigid-plastic material model is elected as tube blank material model process simulation analysis.
根据后桥壳液压胀形的特点，选择刚塑性材料模型进行模拟分析。
The effect of blank holder thickness on stress transfer was studied by means of an elastic solid element finite element model. The simulation results were verified by experiments.
利用弹性实体单元有限元模型研究了压边圈厚度对压边应力传递的影响规律，并与实验结果进行了对比分析。
Using water model, the flowing distributions based on the different SEN structures and technological parameters in beam blank mould are studied in this paper.
通过水力学模型实验，在不同水口结构和不同工艺参数的条件下对异型坯进行结晶器流场对比。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gear's left and right tooth profiles is built.
分析了齿坯几何偏心和变形对齿轮运动误差的影响；建立了左右齿廓形误差模型。
The effects of geometric eccentric and deformation of gear blank to motion errors is analyzed and an error model for gear's left and right tooth profiles is built.
分析了齿坯几何偏心和变形对齿轮运动误差的影响；建立了左右齿廓形误差模型。
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