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单词
laser intrusion detector
释义
laser intrusion detector
laser intrusion detector
[
′lā·zər in′trü·zhən di‚tek·tər
]
(engineering)
A photoelectric intrusion detector in which a laser is a light source that produces an extremely narrow and essentially invisible beam around the perimeter of the area being guarded.
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更新时间:2025/10/8 15:35:46