A component model must be abstract and language neutral, because its role is to hide technology details and differences.
组件模型必须是抽象的，并且与语言无关，因为它的作用在于隐藏技术细节和差异。
The first level consists of the performance object, which is a unit that can model a physical device or abstract component in a system.
第一级包括性能对象，它是可以为物理设备建模，或者抽象系统中组件的单元。
Abstract: : the propeller is in the model airplane one of most important components, is the model ship airplane obtains the power the key component.
摘要：螺旋桨是航空模型中最重要的零件之一，是航模飞机获得动力的关键部件。
An abstract model is associated with the shell component to facilitate development of the control systems applications.
抽象模型与外壳组件相关联以帮助控制系统应用程序的开发。
An abstract model is associated with the shell component to facilitate development of the control systems applications.
抽象模型与外壳组件相关联以帮助控制系统应用程序的开发。
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