In the figure, "m" represents the input message to an application and "a" represents a large attachment as part of the input.

在图中，“M”表示一个应用程序的输入消息，“A”表示输入消息包含的大型附件内容。

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In the figure, "m" represents the input message to an application and "a" represents a large attachment as part of the input.

在图中，“M”表示一个应用程序的输入消息，“A”表示输入消息包含的大型附件内容。

youdao