The human eye can distinguish 16 chains of grey. A computer image processor analyzing a fingerprint can distinguish 256 chains of grey, which is impressive.是什么意思_The human eye can distinguish 16 chains of grey. A computer image processor analyzing a fingerprint can distinguish 256 chains of grey, which is impressive.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句