Because the number of possible topics is practically limitless, we focus on a sample of the most interesting and useful applications and tools and explain the basic principles of technology.

因为可能的主题在数量上几乎是无限的，所以我们重点关注最有趣和最有用的应用程序和工具的一个示例，并解释技术的基本原理。

youdao

A staff member collects the blood sample from a patient and assigns an ID number to the sample.

工作人员从病人处采集血液样本并为其分配一个ID。

youdao

Before the knowledge base can analyze texts, it must be trained with a sufficient number of sample texts that are properly classified into categories.

在知识库能够分析文本之前，必须用足够的正确分类的样本文本对它进行训练。

youdao

It will then be divided into sample A and sample B and labelled with the relevant number.

BBC: The drug-busters

To get this number in a sample this small is really unusual, and the findings are so far out of the norm.

NEWYORKER: Offensive Play

The sample remains merely a number throughout testing, ensuring the scientists performing the analysis do not know whose they are dealing with.

BBC: The drug-busters