All the plot types except pie can have multiple series.

所有图表类型(除了饼图)都可以拥有多个系列。

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In this paper, a general transformation formula for multiple series is proved.

本文证明了多重级数的一般变换公式。

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In this paper, a general transformation formula for multiple series is proved.

本文证明了多重级数的一般变换公式。

youdao