print contrast ratic 印字反衬比
print contrast signal 印字反衬信号 ; 打印反衬信号
print contrast ratio 印刷反差比
print contrast mark 印刷对比标志
High Contrast Large Print 高对比度大字印刷
High Contrast Large Print Inverse 高对比度大字印刷反转
If you pick the latter, be sure to choose a bold print that doesn't clash but instead adds contrast.
如果你选择后者的话，最好是比较粗的花纹，这样不仅不会产生碰撞而且会增加对比效果。
Blue print on light blue paper may not produce enough contrast for easy reading.
蓝色字体印在浅蓝色纸上不能产生足够的对比度而难于阅读。
An easy way to check your colors and contrast is to print your portlet's output on a black-and-white printer and give it to someone else.
检查颜色和对比度的简单方法是将portlet的输出通过到黑白打印机打印，并拿给其他人看。
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