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\caption{bla bla}
\label{fig:bla}
\end{figure}
答案1
删除行
\clip(-1.9327172822357122,-2.1796167757229585) rectangle (5.742291270318256,5.495391776830984);
它指定图像被修剪的区域，切除外面的所有内容（更准确地说，只有图像中线后面的部分会受到影响）。如果没有线，图像将占据实际需要的空间。出于某种我不知道的原因，GeoGebra 制作了裁剪矩形更大大于图像所占据的面积。
下图中的方框标记了图像的边界。左图使用了剪辑命令，右图没有。
