答案1
含钛钾Z 并不是很难。
\documentclass{article}
\usepackage{tikz-cd}
\usetikzlibrary{backgrounds,calc,fit,patterns.meta,shapes.geometric}
\begin{document}
\begin{tikzcd}[sep=small,execute at end picture={
\begin{scope}[on background layer]
\typeout{pft,\tikzcdmatrixname}
\path let \p1=($(\tikzcdmatrixname-1-5)-(\tikzcdmatrixname-3-3)$),
\n1={atan2(\y1,\x1)} in
node[ellipse,draw,fit=(\tikzcdmatrixname-3-3)(\tikzcdmatrixname-1-5),
rotate fit=\n1,inner ysep=-4ex,inner xsep=-1ex,
pattern={Lines[angle=45]},pattern color=gray]{}
node[ellipse,draw,fit=(\tikzcdmatrixname-1-3),
inner ysep=-0.5ex,inner xsep=-0.5ex,
pattern=Dots]{}
node[ellipse,draw,fit=(\tikzcdmatrixname-1-1),
inner ysep=-0.5ex,inner xsep=-0.5ex,
pattern={Lines[angle=45]},pattern color=gray]{}
;
\end{scope}}]
100\arrow[dr] & & 010\arrow[dr] & & 001\\
& 110\arrow[dr]\arrow[ur] & & 011\arrow[ur] & \\
& & 111\arrow[ur] & & \\
\end{tikzcd}
\end{document}