All the land tortoise species formed a tight cluster of points in the upper part of the triangle; all the water turtles cluster in the lower part of the triangular graph.

所有陆龟品种都在三角形的上部形成一个紧密的点群；所有的水龟都聚集在三角图的下方。

youdao

If the center of NGC 4258 were a star cluster, the stars would be so closely spaced that collisions between individual stars would have long ago torn the cluster apart.

如果 NGC 4258 的中心是一个星团，恒星之间的距离会非常近，以至于在很久以前单个恒星之间的碰撞就会把星团撕裂。

youdao

Sure enough, these amphibious species show up on the triangular graph approximately half way between the "wet cluster" of sea turtles and the "dry cluster" of land tortoises.

可以肯定的是，这些水陆两栖物种的数据出现在接近三角坐标中间的位置，位于水栖海龟和陆栖乌龟的坐标点之间。

youdao

The Cleveland Clinic says the cause of cluster headaches is in a brain area known as a trigeminal-autonomic reflex pathway.

VOA: special.2010.03.30

The sheer cacophony of the clustered consonants in this line sets off -or has the potential to set off -- a powerful cluster of feelings.

这句诗中辅音全然不和谐，使人觉得,或者有意向让人觉得-，有力量的层叠之感。

耶鲁公开课 - 弥尔顿课程节选

Now, as I said last time, the subject of free will--or free will, determinism, causation and responsibility, this cluster of problems-- is an extremely difficult and complicated physical problem.

正如我上次所说的,自由意志这个主题 或者说自由意志,决定论,因果论,责任,这一堆问题,是极端困难和复杂的物理问题

耶鲁公开课 - 死亡课程节选

In other domestic news, the World Health Organization is watching out for mutations and possible human-to-human transmission of the new H7N9 bird flu strain after two family cluster cases - a father-and-son cluster and a husband-and-wife cluster - were detected in Shanghai, China Daily reports.

BBC: China media: Quake donations debate

More than that, fashion is just the sort of thing Britain is supposed to be good at in this post-industrial age: creative, high-value-added, cluster-based.

ECONOMIST: London Fashion Week

Like other recommendation engines, Baynote attempts to cluster consumers and understand what products or content interest each cluster in real-time.

FORBES: How Real-Time Marketing Technology Can Transform Your Business