名词
中文翻译：替代指针
同义词：
['substitute pointer', 'substitute indicator']
例句：
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1.The new software has an alternative pointer that makes it easier to navigate through the menus.
这款新软件有一个替代指针，使通过菜单导航变得更加容易。
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2.The scientist used an alternative pointer to measure the distance between two points on the map.
科学家使用一个替代指针来测量地图上两点之间的距离。
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3. The engineer designed a device with an alternative pointer that could detect and warn of potential hazards.
工程师设计了一个带有替代指针的设备，可以检测并警告潜在的危险。