Line Charts. Used to demonstrate trends.

用于展示变化趋势。

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The results are displayed using line charts.

结果会以折线图显示。

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Line charts are usually employed to show a trend and describe changes over a period of time.

折线图是常见的显示一种趋势，在一段时间内描述的变化。

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And then the next slide shows the average reported intake of ten year olds in the United States, and you can see the pie charts don't line up very well.

而下一张幻灯显示了,美国十岁孩子的平均摄入量,你可以看到这两张饼图并不能很好地重合

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Instead of poring over pages of reports if I can see the data in bar charts, line graphs, pie charts or integrated with geo-spatial tools, I can make a lot more sense of it.

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The next day, a new average price is calculated based on the new set of 50 days, which now starts one day later than the last set. (Hence, the average moves one day forward.) This forms a series of dots, one for each day, which is tracked with a line on charts.

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But from where I sit, the bottom line is the charts of the NASDAQ, Russell 2000, and Midcaps do look mighty good.

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