motion sensor

Пример: 
The bank's security system included a motion sensor that could detect the movement of intruders.
Intel Free Press
https://flic.kr/p/cSweR7
Фото лиценз: 
CC: Приписване, Комерсиална употреба
Regionalism: 
Neutral
Regional variant: 
Neutral
Full Expression: 
: motion sensor
Френски
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No
Испански
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No
Немски
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No
Португалски
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No

a device that contains a physical mechanism or electronic sensor that tracks motion

Китайски
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No
Италиански
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No
Alsacien
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No
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