optical pick-off的用法和樣例：
例句
- Optical sensors are used to determine the position of each component of the kit, and robotics are used to put them into the correct position.
光學感測器是用來判斷的立場，每個組成部分的套件，和機器人技術被用來放到正確的位置。 - An image forming apparatus includes an image carrying member, an image forming mechanism, an optical sensor, and a controller.
一種圖像形成裝置，包括圖像承載體，圖像形成機構，光學感測器控制器。
