减法

In this stage, the subtractor rejects the 5V common-mode signal from the voltage reference.

这个阶段，减法器抵消了电压参考的5V共模信号。

The difference is found by subtraction.

用减法得出差额。

Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.

颜色的加法混三原色为红、绿、蓝色,减法混的三原色则是它们的补色,即:青、品红黄色,染料的三原色是后者。