2. 外语
  3. A facial ______ system is a technology capable of identifying or verifying a person from a digital image or a video frame from a

A facial ______ system is a technology capable of identifying or verifying a person from a digital image or a video frame from a

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问题 A facial ______ system is a technology capable of identifying or verifying a person from a digital image or a video frame from a video source.
选项 A、recommendation
B、recording
C、recollection
D、recognition
答案D
解析 根据题中identifying和verifying可知，这是一项识别系统，D项recognition意为“识别，认出”，填入后指“面部识别系统”，符合句意，故为答案。recommendation“推荐；建议”、recording“音像录制品；(尤指音乐的)录制”和recollection意为“记忆，回忆”填入句中，句意不通，故A、B和C项均可排除。
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