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| lähestymisanturi | |||
| lähialueanturi (A type of sensor that can determine without physical contact if an object/person is nearby, or can be used to measure the distance between the object/person and the sensor device) | |||
| liiketunnistin | |||
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proximity sensor : 2 短语, 1 学科 |
| 电子产品 | 2 |