displacement pickup

例句：

1. 1. The displacement pickup is used to measure the displacement of the object.
   位移拾取器用于测量物体的位移。
2. 2. The displacement pickup is essential for detecting and tracking objects in motion.
   位移拾取器对于检测和追踪运动物体至关重要。
3. 3. The displacement pickup can be used to detect changes in the environment, such as temperature or humidity.
   位移拾取器可以用于检测环境的变化，如温度或湿度的变化。