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

这个阶段，法器抵消了电压参考的5V共模信号。

The difference is found by subtraction.

用法得出差额。

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

颜的加法混为红、绿、蓝,法混的则是它们的补,即:青、品红黄,染料的是后者。