They are a kind of semantic category in the language without the number category at most.

在无“数”的语言中至多是一种语义范畴。

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The singular and plural are a kind of grammar category in the language with the number category.

单、复数在有“数”范畴的语言中是一种语法范畴。

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The inventory information such as book categories and the number of books in each category is displayed in the Web home page (see Figure 1).

诸如书的类别以及每个类别中的书的数量等库存信息将在这个网站的主页(参见图1)中显示。

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And in terms of social media and mobile, such as Facebook, iPhone, iPad and Android, the number one category in applications is games.

FORBES: Playing the Ad Game

The increasing number of Category 2 centres reflects the growing interest of UNESCO Member States in contributing to the work of the Organization by offering a new mechanism and modality of programme implementation.

UNESCO: OFFICE IN DHAKA

It rocketed to number one in the finance category and number four in the overall App Store.

FORBES: iZettle Lets Europe's Mom-and-Pops Take Chip-Cards