Earthquake catalogs provide basic data set for the study of seismicity.

地震目录是研究地震活动性的基本资料。

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A basic set of DataTypes representing the normal primitives of most programming languages is provided by default with a data factory.

数据工厂会在缺省情况下提供一个数据类型基本集，可表示大部分编程语言的标准原语。

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XBRL document markup is based on a set of taxonomies organized into a Financial Reporting Taxonomy Architecture which lays out the basic semantics of relevant data elements.

XBRL文档标记建立在Financial Reporting Taxonomy Architecture(金融报告分类体系结构)中的一套分类系统基础上，其中列出了基本的语义和相关数据元素。

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Set up a crawler that can scrape some webpages and parse some basic data.

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