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→Ubuntu 20.04 method of installing ROS 1 Noetic
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<li><p>Then please keep the terminal window just open at the top</p></li></ol>
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[[File:media/image410.png|576x275px|图片5]]
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<li><p>At this time, press the direction button on the keyboard to control the small turtles up, down, left and right</p>
