The transducer is a small hand-held device that resembles a microphone, attached to the scanner by a cord.
该传感器是一种小型手持设备，像一个麦克风，通过连接线连接到一个扫描仪。
2
After it was all over, the researchers used a flatbed scanner to measure everyone's right-hand index and ring fingers (" from the ventral proximal crease of the digit to the tip of the finger ").
试验结束之后，研究人员用平板扫描仪测量每个研究对象的右手食指和无名指(从手指内侧掌指关节到指尖)。
3
When the tagged cow is shipped out, an inspector can use a hand-held scanner to retrieve the cow's information.