update 16

Chapter16/Figures/figure-contrast-of-traditional-machine-learning&transfer-learning.tex

@@ -37,6 +37,10 @@
 \draw[->,thick] ([yshift=-0.2em]n5.-90) -- ([yshift=0.2em]sys.90);
 \draw[->,thick] ([yshift=0.3em,xshift=0.2em]kd.0) -- ([yshift=-0.2em,xshift=-0.2em]sys.180);
 
+\node [anchor=north] (re1) at ([yshift=-1em]nmt2.south) {\small{(a) 传统机器学习}};
+\node [anchor=west] (re2) at ([xshift=11.0em]re1.east) {\small{(b) 迁移学习}};
+
+
 \end{tikzpicture}