The pan tool is represented by the hand icon and allows you to pan through the data in the graph, moving left or right.
平移工具由手形图标表示，允许平移曲线图中的数据，向左或向右移动。
2
Given the long and rich history of UNIX, chances are your system has just the righttool for the task at hand.
由于UNIX具有悠久而丰富的历史，所以您也许能够找到恰好合适的工具，以用于手头的任务。
3
You should, however, always use the righttool for the job at hand; knowing more about these two tools will definitely help you pick the right technology for your next project.