Question

What does it mean detectors

Answer 1

a device or instrument designed to detect the presence of a particular object or substance and to emit a signal in response

Step-by-step explanation:

sorry if its wrong T-T

Answer 2

here's your answer

Step-by-step explanation:

detecting the presence of electromagnetic waves or of radioactivity. b : a rectifier of high-frequency current used especially for extracting the intelligence from a radio signal.

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