Before I move on, take a quick look at what these basic commands do.
在继续学习之前，简单看一下这些基本命令的作用。
Note: With both commands, the KBPS value should take the Layer 2 overhead into account.
注意：用两个命令，kbps值会计算在二层报头上。
Let's take a look at each of these commands.
我们来分别看看这些命令。
Manual commands take precedence over background activity.
手动命令会比背景活动优先采用。
Manual commands take precedence over background activity.
手动命令会比背景活动优先采用。
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