<div dir="ltr"><span id="result_box" class="" lang="en"><span class="hps">I read this</span> <span class="hps">sentence</span> <span class="hps alt-edited">many times</span> <span class="hps">"Calculate</span> <span class="hps">and print</span> <span class="hps">the</span> <span class="hps">coherent</span> <span class="hps">X</span><span>-ray</span> <span class="hps">diffraction</span> <span class="hps">spectrum"</span> <span class="hps">of</span> <span class="hps atn">"</span><span class="">XRAY_DIFFRACTION_SPECTRUM</span><span>" section</span><span>, and I have</span> <span class="hps">not yet understood</span> <span class="hps">what</span> <span class="hps">it means</span><span class="hps">,</span> <span class="hps">someone please</span> <span class="hps">detail</span> <span class="hps">the role of</span> <span class="hps">this</span> <span class="hps">section</span><span>.</span> <br><span class="hps">thank you</span> <span class="hps">my</span> <span class="hps">dear</span> <span class="hps">users</span></span></div>