| 术语 | print contrast signal (PCS) |
| 释义 | print contrast signal (PCS) 照片反差信号 In optical character recognition, a measure of the contrast between a printed character and the paper on which the character is printed. 在光符识别中,打印字符与打印字符所在的纸之间对比度的一种度量。对照print contrast ratio。 |
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