名词
中文翻译：遥远的预警线
同义词：
['distant warning line', 'distant warning line例句：1. The ship was hit by a distant early-warning line.（这艘船被一条遥远的预警线击中了。）']
例句：
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1. The ship was hit by a distant early-warning line.
这艘船被一条遥远的预警线击中了。
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2.The military used distant early-warning lines to detect enemy movements.
军队使用遥远的预警线来探测敌人的动向。
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3. The government has installed distant early-warning lines along the border.
政府已经在边境沿线安装了遥远的预警线。