direct-vision port

例句：

1. 1.The camera has a direct-vision port that allows you to view the scene through the lens.
   这台相机有一个直视端口，你可以通过镜头查看场景。
2. 2.The new design features a direct-vision port on the side of the case for easy access.
   新设计在盒子侧面有一个直视端口，便于访问。
3. 3. The engineer used a direct-vision port to connect the sensor to the computer.
   工程师使用直视端口将传感器连接到计算机上。