名词
中文翻译：侦察
同义词：
['surveillance', 'reconnaissance', 'surveillance例句：1. The military has been conducting reconnaissance missions in the area.（军队一直在该地区进行侦察任务。）']
例句：
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1. The military has been conducting reconnaissance missions in the area.
军队一直在该地区进行侦察任务。
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2. The spy agency is responsible for maintaining a high level of security and conducting reconnaissance activities.
这个间谍机构负责保持高度的安全并执行侦察活动。
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3. The government has launched a new surveillance system to protect national security.
政府已经启动了一个新的监控系统，以保护国家安全。