The intensity of the colour is a measure of the purity of the product.
颜色的强度是产品纯度的一种量度。
2
It is also the colour of purity.
白色也是纯洁的颜色。
3
Simulation test of hybrid rice production demonstrated that the purity of hybrid rice would be improved greatly by using leaf colour as a marker to eliminate the false hybrid rice at early stage.