Once you understand the technique behind an X-Y plot, you should be able to chart out other plotters, like bar and pie.
一旦知道了绘制X - Y坐标图的技术，就应该能够绘制出其他图形，比如条形图和饼图。
2
I illustrated the technique with a bar chart, but the same technique applies for other images such as navigation buttons, technical drawings, and UML models.
我解释了如何生成条形图，相同的技术也适用于其他的图形，如导航按钮、技术图纸、uml模型等。
3
Traders, noticing this advantage, are certain that by developing the technique of chart reading farther they will so increase its reliability as to assure themselves continued profits.