Data categories are like abstract base classes; a category might be able to represent all models of car, for instance.

数据类别类似于抽象基类，比如，一个类别可以表示所有的汽车型号。

youdao

For TiresAmerica, winter tires are not sold in Latin America, so the Latin America base contract will exclude the winter tires category in the Catalog Filter.

对于TiresAmerica，不在拉丁美洲销售冬用轮胎，所以拉丁美洲基础契约将在目录筛选中排除冬用轮胎类别。

youdao

A trained knowledge base can take a text and compute a numerical measure of its relevancy to each category.

经过训练的知识库可以接收文本输入，并计算出文本与每个目录的相关度数值。

youdao

Growth in every category: employees, lines in the code base, customer usage statistics and more.

FORBES: 3 New Year's Resolutions Of A Startup Product Manager

Apparently Option successfully tested an HSDPA card based on a QUALCOMM MSM 6280 chipset to running at the category 6 speed limit of 3.6mbps on Nortel base stations in France.

ENGADGET: Option sets HSDPA speed record of 3.6mbps