youdao

There are a few line chart options that are specific to a linear chart, like markers (show data points), tension (make the lines curvy), and shadows (give each line a drop-shadow).

有几个专门用于线性图表的折线图选项，如标记(显示数据点)、张力(使直线弯曲)和阴影(给每条线一个下拉阴影)。

youdao

I have it shown with the — the vertical lines on this chart indicate recessions and this shows — this is from 1948 to 2007 and every recession that we've had since 1948 is shown.

我用图中的这些垂直的线表示，从1948年至2007年的经济衰退，从1948年以来的每一次衰退。

youdao

I have it shown with the--the vertical lines on this chart indicate recessions and this shows--this is from 1948 to 2007 and every recession that we've had since 1948 is shown.

我用图中的这些垂直的线表示,从1948年至2007年的经济衰退,从1948年以来的每一次衰退

耶鲁公开课 - 金融市场课程节选

They determine this by looking at a complex set of lines overlaid onto a stock chart, such as moving averages, support lines, volume activity, etc.

FORBES: Apple's Recent Stock Price: Explanations

Here is the chart and some indicative lines.

FORBES: The Great Apple Trade?

The blue lines on the chart above represent the Bollinger bands, and below the bar chart, I have plotted the band width indicator.

FORBES: Gain an Edge with Volatility Analysis