双值,二值
Penumbral jitter to reconcile the use of technology in the output value of only two printers to print grayscale images. 利用半影调和抖动技术在只有二值输出的打印机上打印灰度图像。
Hexagrams form a perfect double-value logic system, in which every hexagram is equal to a true value table. 易卦是一种完备的二值逻辑体系，每一个卦象就是一组真值表。
