These rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.

这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。

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Friedrich Kekule discovers the unique ring like structure of the molecule benzene right after he wakes up from a day-dream about snakes chasing their own tails and forming rings.

弗里德里希·凯库勒发现分子苯的结构想一个环状的客观事实，正是醒于当天的一个白日梦后知道的，在梦里他梦见一群蛇都在追逐着各自的尾巴，于是形成了好多环形。

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The roads and urban rings expand from the inner core and form the physical structure of the area described as one center and four urban rings.

每条街道和城市建筑从核心向外做环行延升，最终将形成一个核心四个城市环状的物理建筑风格。

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And these rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.

这些光圈,表明了了镍的晶体结构,而且只能通过,光线中波的特征来解释。

麻省理工公开课 - 固态化学导论课程节选

To overcome all this, LeRoy Olson, an engineer at the University of Washington, devised a barrel-shaped structure of metal rings.

ECONOMIST: 20,000 leagues under the sea

One of the key discoveries has been the role Saturn's moons play in maintaining the order and structure of the rings.

BBC: Saturn's beauty and power

Images sent back from the Cassini spacecraft (which has been in orbit around Saturn since 2004) have revealed how the fine structure of the rings is broken up into intricate patterns of thousands of ringlets and gaps.

BBC: Saturn's beauty and power