An Update Number is used to identify a particular version of a message.

更新号用来标识消息的特定版本。

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Cell broadcast messages are classified by topic and allocated a channel number, message code, update number, and language.

小区广播消息按主题分类，给每条消息都分配了通道号、消息代码、更新号和语言。

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In its latest update on global employment trends, the agency says projections of the number of unemployed people this year range from 210 million to nearly 240 million people.

该机构在其最新的全球就业趋势报告中表示，预计今年的失业人数处于2.1亿到近2.4亿之间。

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Again, stupid, arbitrary number to choose let's just update our picture.

是选择的是傻的，任意的数字,我更新一下那个图画。

哈佛公开课 - 计算机科学课程节选

Can you give us an update, number one?

WHITEHOUSE: Press Briefing

This update fixes a number of lock screen bypass vulnerabilities that have plagued the platform since iOS 6 was released.

FORBES: Move up http://i.forbesimg.com t Move down

You will also get an update on that cost number we pooh-poohed.

FORBES: Sidelines