Passive Infra Red

英文缩写PIR

英文全称Passive Infra Red

中文释义 电红外传感器

所属分类电子电工

词条简介"Passive Infra-Red" (PIR) detectors are used in burglar alarm systems, and to control the security lighting that many people have fitted outside their houses.

PIR的其他解释：

PIR Pacific Islands Regiment 太平洋岛群,太平洋岛编制

PIR Pacific Islands Region 太平洋岛地区

PIR Pacific Islands Report 太平洋岛报

PIR Packet Insertion Rate 分组插入率

PIR Page Information 页面信息

PIR Para Infantry Regiment 托马斯步兵团

PIR Parachute Infantry Regiment 降落伞步兵团

PIR Parents In Room 父母的房间

PIR Parents In Room (chat) 父母在房间(聊天)

PIR Parker Information Resources 帕克信息资源

PIR Partners in Injury Reduction (Alberta, Canada) 合作伙伴在受伤(加拿大阿尔伯塔省)

PIR Partners in Research 研究伙伴

PIR Pass In Review vt. 检查(检阅, 回顾)

PIR Pass In Review (military) 通过回顾(军事)

PIR Passive Infrared 被动红外