MIDI文件播放器应用程序充当了一个信息提供者，它对MIDI文件进行排序，并将命令发布给代理。
A MIDI file player application ACTS as an information provider by sequencing a MIDI file and publishing the commands to the broker.
信息提供者发布的所有NoteOn命令将会用此主题作标记。
All NoteOn commands published by the information provider would be tagged with this topic.
去年2月1日，公共安全部发布命令限制通信和对韩国的信息接入，并且加强对边境的警戒以阻止叛逃者。
On February 1, the MPS issued a decree to limit communication and access to information from South Korea, and to increase surveillance of the border to prevent defections.
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