Experimental study for such was carried out on established test rig with flat, converging and converging diverging nozzles of different throat diameter, shape and diverging angle.

为使流经缩放形喷管的低温热水得到充分膨胀和加速，在此对缩放形喷管的喉部及扩张段进行实验对比分析。

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That means that if you draw parallel lines in space, then they will remain the same distance apart along their infinite lengths instead of converging or diverging.

这意味着如果你在空间中作两条平行线，它们不会聚合或离散，只会一直保持相等的距离无限延伸下去。

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He believed in an infinite series of times, in a dizzily growing, ever spreading network of diverging, converging and parallel times.

他认为时间有无数系列，背离的、汇合的和平行的时间织成一张不断增长、错综复杂的网。

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Without such reforms, the two halves of Europe will stop converging and start diverging.

ECONOMIST: The brainpower famine begins to bite

The biggest question raised by the new research is whether the world is converging demographically or diverging towards disparate futures.

ECONOMIST: The digressions of people power