【单选题】【消耗次数：1】
目前无人机在农业上的应用最引人关注和最成熟的是在（ ）领域的应用
①
遗传育种
②
配方施肥
③
水土保持
④
植物保护
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【单选题】
美国国防部先期研究计划局长期关注人工智能技术研发及其在（ ）、情报分析、医疗等领域的应用，每年投入30亿美元资助自动驾驶、无人机、机器人竞赛等人工智能相关项目。
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交通
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商业
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军事
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农业
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somewhat
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