resolution test bar

例句：

1. 1. The resolution test strip was used to check the sharpness of the camera lens.
   分辨率测试条被用来检查相机镜头的清晰度。
2. 2. The engineer used the resolution test bar to measure the resolution of the display screen.
   工程师使用分辨率测试棒来测量显示屏的分辨率。
3. 3. The manufacturer provided a resolution test bar for customers to test their own cameras.
   制造商为客户提供了一个分辨率测试棒，供客户自行测试他们的相机。