LoDTensor*&gt; fetch_targets; <span class="comment">/* [fluid]</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">                                                                outputs of model */</span></div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  std::vector&lt;std::string&gt; sent_char_vector; <span class="comment">/* sen