Composite applications are aggregations of user interface components that are loosely coupled to support inter-component communication.
复合应用程序由一些用户界面组件集合而成，这些组件通过彼此松散耦合支持组件间通信。
We would use service Interface (collaborating) if the service will also require consumers of the service to provide one or more operations, perhaps to support asynchronous communication.
如果服务同样需要服务的消费者提供一种或多种操作，例如用于支持异步通信，则应使用Service Interface (collaborating)。
Standard 485 communication interface, built-in decoder board (pre-digital decoders optional) to support a variety of mainstream protocol, baud rate adjustable.
标准485通讯接口，内置解码板(预置位解码板选配)支持多种主流协议，波特率可调。
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