capacitive pick-up

例句：

1. 1. The capacitive pick-up is used to detect the presence of a person in the room.
   电容拾取器用于检测房间内是否有人。
2. 2.The capacitive pick-up is sensitive enough to detect even the slightest changes in the air pressure.
   电容拾取器足够敏感，可以探测到空气中压力的微小变化。
3. 3. The capacitive pick-up is commonly used in medical imaging systems to enhance image quality.
   电容拾取器在医疗成像系统中常用来提高图像质量。