You design it by selecting a number of primary data records from the information domains to be covered.

可以通过从涉及的信息域中选择一些主要数据记录进行设计。

youdao

Imagine putting the Numbers 1, 2, and 3 in a hat, shaking it, selecting a number, and recording the selected number for that trial.

想象把数字1、2和3放进帽子里，摇一摇，选一个数字，然后记录所选的数字作为一次尝试。

youdao

Like the previous example, it USES an XPath expression to select a set of nodes, and applies XQuery functions for selecting distinct values and counting the number of nodes.

像前一个示例一样，它用XPath表达式选择一组节点，然后用XQuery函数选择惟一值，并计算节点的数量。

youdao

Selecting even a small number of individuals randomly from a large population allows you to say things about the whole population.

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As I wrote last week ( 6 Criteria for Selecting a CSR Consultant), the number of CSR consultants is skyrocketing but the demand for their services has diminished or at best flat-lined.

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It would have also led to a strong argument for selecting three former world number one men's doubles players from Indonesia, Rexy Mainaky, Flandy Limpele, and Eng Hian - all sparring partners for the English national squad, their country of domicile.

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