Interesting data can often be isolated to single or tags deeply nested in the HTML tree, allowing the extraction process to work exclusively within a small portion of the document.
您所感兴趣的数据通常可以用html树中深度嵌套的单个或标记隔离开来。这使得抽取过程可以专门在文档的一小部分内执行。
The source tree must be isolated and growing under atypical conditions.
来源树是孤立和生长在非典型条件下。
More recently, researchers isolated and synthesized the chemical ginkgolide from the tree for use in treating asthma, toxic shock and other ills.
最近，研究人员从这种树上分离并合成了化学药物银杏苦内脂，用来治疗哮喘、中毒性休克等疾病。
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