Walls take the form of an arch, while the roofs are pointed, giving the structures their teepee-like appearance.

墙面有带拱券的形式，并且屋顶是尖的，赋予建筑帐篷状的外观。

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Using these data sets, we can get the work items and their structures.

使用这些数据集，我们可以得到工作项目和它们的结构。

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Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments are closing in on such structures, and may report their findings soon.

天体物理学家利用南极陆基探测器和球载仪器工作，正在对这些云系进行观测，也许不久会报告他们的观测结果。

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Their weightless-looking structures were mostly made of glass and metal.

VOA: special.2009.12.13

So, we can also get into a case where we have similar values in terms of absolute values of formal charge between two different molecules we're deciding between in their Lewis structures.

我们还可能遇到另外一种情况,那就是在我们需要进行,选择的两种路易斯结构中,形式电荷具有相似的绝对值。

麻省理工公开课 - 化学原理课程节选

Lipids are really complex molecules on their own right, but because of their particular kind of complexity they allow certain biological structures to form.

脂类本身是非常复杂的分子,但正是它们独特的复杂性,使它们能够形成某些生物结构

耶鲁公开课 - 生物医学工程探索课程节选

Every other country structures their tax code so that you have an incentive to invest there and create jobs there.

WHITEHOUSE: Backyard Discussion on Women and the Economy

Look for more such cases as baby boomers find flaws in the elaborate tax-avoidance structures their parents set up before they died.

FORBES: Getting Theirs

We're coordinating directly with them to provide assistance and determine the best ways we can support their aspirations and understand their leadership structures and their intention.

WHITEHOUSE: The White House