![Manyhomeshavecamerastoprotectthemfromdanger.Thecamerasc...]( "Manyhomeshavecamerastoprotectthemfromdanger.Thecamerasc...")
- 问题详情：Manyhomeshavecamerastoprotectthemfromdanger.Thecamerascantelltheownersifsomeonehasentered.Butthecamerasdonotknowwhetherthepersonisafamilymember,afriend,apostmanoracriminal(罪犯).ButanewcameramadebyaFrenchcompanycanrecognize(辨别出)faces.Itcan...
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