名词
中文翻译：外围雷达
同义词：
['peripheral detection radar', 'peripheralsurveillance radar']
例句：
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1. Theperiphery of the city is dotted with small parks and gardens.
城市的外围点缀着一些小公园和花园。
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2. Theperiphery of the forest was shrouded in mist.
森林的外围被雾气笼罩。
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3. The peripheryof the battlefield was littered withdebris.
战场的外围散落着碎片。