��适配器。">模板</a></li><li>Trace Span</li></ol></nav><article aria-labelledby=title><div class=title-area><div style=width:100%><h1 id=title>Trace Span</h1><p class=byline><span title="620 字"><svg class="icon"><use xlink:href="/v1.6/img/icons.svg#clock"/></svg><span>&nbsp;</span>阅读大约需要 3 分钟</span></p></div></div><nav class=toc-inlined aria-label="Table of Contents"><div><hr><ol><li role=none aria-label=Template><a href=#Template>Template</a></ol><hr></div></nav><p>The <code>tracesp