But if you want two or more classes to exist in the same file, then you could use a mapping model to specify the hierarchy and contents of the source files.
但是如果您想在同一篇文档中存在两个或更多的类型，您就需要使用映射模式以显示源文件的等级及内容。
Completed logical model is used for two purposes: to drive database development and as a source for a UML model.
完成的逻辑模型有两个用途：驱动数据库开发；作为一个uml模型的源。
Another possible way you could combine two mapping models is when the target of one is identical to the source of the other model.
另外一个合并两个映射模型的方法是当一个目标和另一个目标的源相同的时候。
The proposed model USES two EPMs, namely reliable Messaging (RM) Source and RM Destination, to handle the reliable delivery of messages.
所建议的模型使用了两个EPM，即可靠消息传递(RM)Source和RMDestination，用于处理消息的可靠传递。
This scenario simulates two users editing the same source-controlled Model file in Software Architect using ClearCase Remote Client for Eclipse.
此场景模拟了两个用户使用ClearCaseRemoteClient for Eclipse编辑同一个在Software Architect中的源码控制模型文件。
This article established displacement natural ventilation model caused by point heat source of two joined rooms. The room vertical temperature profile was simplified as two uniform zones.
本文建立两相连房间点热源作用引起的置换自然通风模型，将室内垂直温度分布简化为上、下两个均匀混合区域。
Based on seismic lines, hydrocarbon source rock, lithology, thermal stream and test data, a two dimensional forward model of the basin has been made.
以地震主测线为格架，结合烃源岩、岩性、热流、测试分析资料为依据，采用正演法开展二维盆地模拟工作。
The line source model, the simplified cylindrical source model and the two-dimensional numerical model were used to determine the thermal conductivity of underground soil.
本文用地源热泵地下换热器线热源模型、简化柱热源模型和二维瞬态数值传热模型对地下土壤导热系数分别进行了计算。
At present, two main stochastic models, point-source model and finite-fault model, are adopted to simulate ground motions.
随机法模拟地震动目前主要采用点源模型和有限断层模型两种方法。
A two-dimensional mixed steady-state model of side discharge is applied to the prediction of water quality for the water source area of the Langshan waterworks in Nantong City.
采用二维稳态混合岸边排放模型分析，对南通狼山水厂扩建工程的取水水源地水质进行预测。
Chapter two briefly introduces the research regions, data source and partial methods. It also particularizes spatial econometrics and spatial regression model.
第二章，简要介绍了本文的研究区域、数据来源、数据处理和部分研究方法，较详细介绍了空间计量经济学和空间回归模型。
Discusses several representative equations of point source plume. Establishes calculating equations of thermal stratification height, ventilation rate and neutral level based on a two-zone model.
讨论了几个典型的羽流流量计算公式，结合一种二区自然通风模型，建立了热分层高度、通风量和中和界高度的计算式。
Discusses several representative equations of point source plume. Establishes calculating equations of thermal stratification height, ventilation rate and neutral level based on a two-zone model.
讨论了几个典型的羽流流量计算公式，结合一种二区自然通风模型，建立了热分层高度、通风量和中和界高度的计算式。
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