中新网国际新闻: 用无人机打击犯罪 哥斯达黎加将启用新工具改善治安

中新网国际新闻

用无人机打击犯罪 哥斯达黎加将启用新工具改善治安 Oct 17th 2018, 16:57 　　中新网10月17日电 据南美侨报网报道，今明两年，无人机和紧急呼救按钮将陆续成为哥斯达黎加大都市区内5座城市用来打击违法犯罪的新工具。

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