A pictorial device, such as a pie chart or bar graph, used to illustrate quantitative relationships.

用图象表示一种图示手段，如饼状图或条形图，用于表示数量关系。

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A pictorial device, such as a pie chart or bar graph, used to illustrate quantitative relationships.

用图象表示一种图示手段，如饼状图或条形图，用于表示数量关系。

youdao