They issued a special set of stamps to mark the occasion.

他们特别发行了一套纪念邮票。

《牛津词典》

Objects that are unmarked at the end of the mark phase are unreachable by the application (dead) because there's no path from the root set through any series of references to find them.

标记阶段最后也没有标记的对象是应用程序不可获得的对象(死对象)，因为不存在从根集经过任何引用序列找到这些对象的路径。

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Graybiel and graduate student Mark Howe, lead author of the paper, set out to see if they could link these rhythms with the changes in brain state that accompany learning.

布耶尔和大学本科生马克·豪尔，文章的主要作者，指出这些节奏可能和学习过程中脑状态的变化相关联。

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Bolt shattered his old mark by 11-100ths of a second to set the new world record of 19.19 seconds.

VOA: standard.2009.08.21

Children from around the world will speak out about their lives in a unique set of BBC programmes to mark the 10th anniversary of the UN Convention on the Rights of the Child.

BBC: News | World | BBC series champions children's rights

"There's more stickiness when you have a bundled set of features, " says Mark Griffith , director of product marketing for EarthLink.

FORBES: EarthLink To Bundle Services

In summary, it looks like September could be a good month for Apple types, or could just mark another set of defeats for the rumor crowd -- only time will tell.

ENGADGET: Scraping the bottom of the endless Apple rumor barrel