</span><span class="vlist-r"><span class="vlist" style="height:0.24575599999999997em;"><span></span></span></span></span></span></span></span></span></span></span>是高偏差，低方差，而<span ><span class="katex"><span aria-hidden="true" class="katex-html"><span class="base"><span class="strut" style="height:1.5539959999999997em;vertical-align:-0.24575599999999997em;"></span><span class="mord coloredeq eqe" style=""><span class="mord accent" style=""><span class="vlist-t vlist-t2"><span class="vlist-