术语表 / 扫描技术 / 印刷对比信号 印刷对比信号 Embed Embed This Widget <script> tag <iframe> Theme Light Dark Sepia 复制 已复制! Widget powered by . Free, no account required. 又称: PCS The difference between the reflectance of spaces and bars, expressed as PCS = (Rmax - Rmin) / Rmax. 相关术语 Reflectance ISO/IEC 15416