detector
英[dɪ'tektə]
美[dɪ'tɛktɚ]
- n. 探测器；检测器；发现者；侦察器
英英释意
- 1. any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
- 2. rectifier that extracts modulation from a radio carrier wave
- 3. electronic equipment that detects the presence of radio signals or radioactivity