For example, we wouldn't want ordinary user-level code to gain access to the system bus and directly read internal communication.

例如，我们不希望普通用户级别的代码能够访问系统总线以及直接读取内部通信。

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The SCA System Bus is used by the SCA runtime for asynchronous communication between SCA components and SCA modules.

SCA系统总线由SCA运行时用于与SCA组件和SCA模块之间的异步通信。

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For example, you wouldn't want ordinary user-level code to be able to gain access to the system bus and directly read internal communication.

例如，不希望普通用户级代码能够访问系统总线以及直接读取内部通信。

youdao