On the stroke of 12, fireworks suddenly exploded into the night.

12点的钟声敲响时，焰火突然冲破了夜空。

《柯林斯英汉双解大词典》

An elastic meshing feature extraction method based on the stroke density is proposed.

提出了一种基于笔画密度的弹性网格特征提取方法。

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Internet time servers and speaking clock services will need to make the change on the stroke of midnight.

互联网时间服务器和报时服务系统，也需要在午夜调整表盘指针的位置。

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"We estimate in WHO that over thirty million lives can be saved in the next ten years by simple measures -- reducing the level of salt by fifteen to twenty percent, reducing the amount of tobacco, and increasing the number of people who are at risk of a heart attack and stroke to be on simple preventive treatment."

VOA: special.2011.05.11

Hessenthaler's men made them pay as they added a second on the stroke of half-time.

BBC: Gillingham 3-2 Leicester

And they shocked the hosts again with a second on the stroke of half time.

BBC: Man Utd 1-2 Man City

Henry was involved on the stroke of half-time as the visitors found an equaliser.

BBC: Coventry 2-1 Millwall