| 1. | Each line must contain several hundred individually identifiable halftone light values . 每一条线必须包括几百个各自认得出的用网屏表示的光度值。 |
| 2. | 150 200 cluster dot line screen 150 200集合点线网屏 |
| 3. | 200 cluster dot line screen 200集合点线网屏 |
| 4. | 150 cluster dot line screen 150集合点线网屏 |
| 5. | 200 rotated line screen 200旋转直线网屏 |
| 6. | Screen angle indicator 网屏角度指示器 |
| 7. | 150 clustered dot 150集合点线网屏 |
| 8. | 300 clustered dot 300集合点线网屏 |
| 9. | 600 clustered dot 600集合点线网屏 |
| 10. | 200 clustered dot 200集合点线网屏 |