figure-example-of-dfs-extension-method.tex

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	\node[fill=red!20,anchor=north,align=left,inner sep=3pt,minimum width=5em](words)at(vocab.south){I\\[-0.5ex]agree};
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\node [anchor=north west] (wtranslabel) at ([xshift=-5em,yshift=-3em]n11.south) {\small{生成顺序:}};
\draw [->,ultra thick,red,line width=1.5pt,opacity=0.7] (wtranslabel.east) -- ([xshift=1.5em]wtranslabel.east);

	\node[anchor=west,unit,fill=red!20] (n22) at ([xshift=3em]n11.east){agree};
\node [anchor=north,rotate=90,inner sep=1pt,minimum width=2em,fill=black] (pt22) at (n22.east) {\small{{\color{white} \textbf{-0.4}}}};
	\node[anchor=south,unit,fill=red!20] (n21) at ([yshift=5.5em]n22.north){I};
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	\node[anchor=south,unit] (w2) at ([yshift=0.5em]n21.north){$w_2$};
		
	\node[anchor=west,unit,fill=red!20] (n32) at ([xshift=4em]n21.east){agree};
\node [anchor=north,rotate=90,inner sep=1pt,minimum width=2em,fill=black] (pt32) at (n32.east) {\small{{\color{white} \textbf{-0.2}}}};
	\node[anchor=south,unit,fill=red!20] (n31) at ([yshift=0.3em]n32.north){I};
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\node [anchor=north,rotate=90,inner sep=1pt,minimum width=2em,fill=black] (pt33) at (n33.east) {\small{{\color{white} \textbf{-1.3}}}};
	\node[anchor=west,unit,fill=red!20] (n35) at ([xshift=4em]n22.east){agree};
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	\node[anchor=west,unit,fill=blue!10] (n42) at ([xshift=4em]n32.east){$<$eos$>$};
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	\draw[->,ublue,very thick,dotted] (n11.east) -- (n21.west);
%	\draw[->,ublue,very thick] (n11.east) -- (n22.west);
	\draw[->,ublue,very thick,dotted] (n11.east) -- (n23.west);
		
	\draw[->,ublue,very thick,dotted] (pt21.south) -- (n31.west);
	\draw[->,ublue,very thick,dotted] (pt21.south) -- (n32.west);
	\draw[->,ublue,very thick,dotted] (pt21.south) -- (n33.west);
	\draw[->,ublue,very thick,dotted] (pt22.south) -- (n34.west);
	\draw[->,ublue,very thick,dotted] (pt22.south) -- (n35.west);
%	\draw[->,ublue,very thick] (pt22.south) -- (n36.west);
		
	\draw[->,ublue,very thick,dotted] (pt31.south) -- (n41.west);
	\draw[->,ublue,very thick,dotted] (pt32.south) -- (n42.west);
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	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](n11.east) -- (n22.west);	
	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](pt22.south) -- (n36.west);
	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](pt36.south) -- ([xshift=1em]pt36.south);


\end{tikzpicture}