span class="sd">        </span>
<span class="sd">        tfRecord can be transform into tensorflow dataset by this reader</span>
<span class="sd">        </span>
<span class="sd">        Parameters</span>
<span class="sd">        ----------</span>
<span class="sd">        fileName : str</span>
<span class="sd">            the directory of tfRecord</span>
<span class="sd">        dtypeDict : dict</span>
<span class="sd">            this dictionary defined the datatype of tensorflow dataset.</span>
<span clas