The effect of the invention is the environment-friendly full bean oil based news ink made by the method, which has high colourdensity, good rheological property and degradable quality;
本发明的效果是使用该方法制得的环保型全豆油基新闻油 墨，具有色密度高、流变性好、可降解的品质；
2
Darker traces signifiy slower speeds, and colour coding shows the density of traffic in different areas.
较深色的线条表示航行速度较慢，条码的颜色代表不同区域的交通密度。
3
A new format for bar codes appeared in January, when Microsoft unveiled Tag, a system that USES colour to increase the density of information that can be stored.