And subtractive techniques from the silicon industry can't do that very well.

而硅产业消减技术无法胜任此工作。

These are different colour models, where RGB is “additive” meaning the mixing of different lights of colour create new colours-while the other two are “subtractive” models and absorb different wavelengths of light.

这些是不同颜色型，其中红绿蓝三原色是“相加型”，它意味着不同颜色光混创造新颜色，而另外两个是“相减型”并且吸收不同波长光。

At least, it does if you use traditional " subtractive" manufacturing techniques like cutting and drilling.

即使不考虑体积及成本情况下，传统‘对比相减式'加工流程技术也能完成这些工作，比如切割，机钻等。

It's all additive and it's never subtractive.

这一切都是累积，有过减少。

So the 1952 NC mill was subtractive.

- 所以 1952 数控铣床是减材。

Most printers print in CMYK, cyan, magenta, yellow, and black, which is subtractive, meaning they start from white and layer colored ink on on a scale of 0 to 100, getting closer to black the more of each it lays down.

大多数打印机使用CMYK（青色、洋红色、黄色和黑色）进行打印，这是一种减法式，意味着它们白色开始，在0到100范围内逐层叠加彩色墨水，每种颜色叠加得越多，就越接近黑色。