我需要获取屏幕截图上的内容：
这是我能得到的最接近的答案：
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};
\addlegendentry{Surrogate function}
\addplot [semithick, black, mark=x, mark size=3, mark options={solid}, only marks]
table {%
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2 -2.13334200661748
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-0.352462159713166 0.633281980389827
};
\addlegendentry{Noisy samples}
\end{axis}
\end{tikzpicture}
\end{document}
由于限制是 30k，我不得不删减/保留一些元组