合并分支 'caorunzhe' 到 'master'

merge chapter 4

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Book/Chapter4/Figures/role-of-syntax-tree-in-different-decoding-methods.tex

@@ -19,13 +19,18 @@
 \node [anchor=west] (target) at ([xshift=1em]bsw3.east) {Cats like eating fish};
 \node [anchor=west] (target) at ([xshift=1em]bsw3.east) {Cats like eating fish};
 \node [anchor=north,inner sep=3pt] (cap1) at ([yshift=-1em]target.south west) {(a) 基于树的解码};
 \node [anchor=north,inner sep=3pt] (cap1) at ([yshift=-1em]target.south west) {(a) 基于树的解码};
 \draw [->,thick] (bsw3.east) -- (target.west);
 \draw [->,thick] (bsw3.east) -- (target.west);
-\node [anchor=west] (sourcelabel) at ([xshift=4em,yshift=-1em]bsn0.east) {显式输入的结构};
+\node [anchor=west] (sourcelabel) at ([xshift=6em,yshift=-1em]bsn0.east) {显式输入的结构};
 
 
 \node [anchor=west] (source2) at ([xshift=3.3em]target.east) {猫$\ \ \;$喜欢$\ \;$吃\ 鱼};
 \node [anchor=west] (source2) at ([xshift=3.3em]target.east) {猫$\ \ \;$喜欢$\ \;$吃\ 鱼};
 \node [anchor=west] (target2) at ([xshift=1em]source2.east) {Cats like eating fish};
 \node [anchor=west] (target2) at ([xshift=1em]source2.east) {Cats like eating fish};
 \node [anchor=north,inner sep=3pt] (cap2) at ([xshift=1.1em,yshift=-1em]target2.south west) {(b) 基于串的解码};
 \node [anchor=north,inner sep=3pt] (cap2) at ([xshift=1.1em,yshift=-1em]target2.south west) {(b) 基于串的解码};
 \draw [->,thick] (source2.east) -- (target2.west);
 \draw [->,thick] (source2.east) -- (target2.west);
 
 
+\begin{pgfonlayer}{background}
+{
+\path [draw,dashed,rectangle,inner sep=1em,thick,blue,fill=blue!30,rounded corners=5pt] ([xshift=-3.5em,yshift=1em]bsn0.north west) -- ([xshift=5.5em,yshift=1em]bsn0.north east) -- ([xshift=5.5em,yshift=-13.5em]bsn0.north east) -- ([xshift=-3.5em,yshift=-13.5em]bsn0.north west) -- ([xshift=-3.5em,yshift=1em]bsn0.north west);
+}
+\end{pgfonlayer}
 
 
 \begin{scope}[xshift=2.55in,yshift=-1em,sibling distance=7pt]
 \begin{scope}[xshift=2.55in,yshift=-1em,sibling distance=7pt]
 \Tree[.\node(bsn0){IP};
 \Tree[.\node(bsn0){IP};
@@ -39,8 +44,8 @@
      ]
      ]
 
 
 \begin{pgfonlayer}{background}
 \begin{pgfonlayer}{background}
-\node [draw,dashed,inner sep=2pt] (box) [fit = (bsn0) (bsn1) (bsn2) (bsn3) (bsn4) (bsn5)] {};
-\node [anchor=north west] (boxlabel) at ([xshift=2em]box.north east) {隐含结构};
+\node [draw,dashed,rectangle,inner sep=1em,thick,red,fill=red!30,rounded corners=5pt] (box) [fit = (bsn0) (bsn1) (bsn2) (bsn3) (bsn4) (bsn5)] {};
+\node [anchor=north west] (boxlabel) at ([xshift=2em,yshift=-1em]box.north east) {隐含结构};
 \end{pgfonlayer}
 \end{pgfonlayer}
 
 
 \end{scope}
 \end{scope}