visio画图保存为pdf,不留空白:
https://blog.csdn.net/qq_33783896/article/details/86174579 用Visio画图,保存为pdf,只保存图部分,不含多余空白区域。
https://blog.csdn.net/m0_37652453/article/details/90514380 Visio2016绘制框图的基本操作方法
https://blog.csdn.net/yiyiwudian/article/details/45667041 visio画图——圆柱
https://blog.csdn.net/jack_ricky/article/details/88073324 Python matplotlib 以pdf形式保存图片
visio另存为像素高的jpg图片:
https://blog.csdn.net/baidu_36162900/article/details/105541106 visio另存为像素高的图片_icey_z-CSDN博客