当记录介质被装载时，记录介质播放机的控制单元从记录介质读取基础信息。
When a recording medium is loaded in the recording medium player, a control unit of the recording medium player reads basic information from the recording medium.
当记录介质被装载时，记录介质播放机的控制单元从记录介质读取基础信息。
When a recording medium is loaded in the recording medium player, a control unit of the recording medium player reads basic information from the recording medium.
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