代理和调用程序组件都需要框架上下文对象的支持以建立某些通信细节，如用于返回消息的服务总线位置。
Both proxy and invoker components required the support of the framework context object to establish certain communication details, such as the service bus locations for return messages.
其次以典型三惯量机电位置伺服系统为研究对象，根据系统的物理定律建立了伺服系统的动力学模型。
Next take the typical three-inertia Electrical position servo system as the research object, according to the system physical law set up a dynamic model of servo system.
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