It has a high density of active volcanoes, and a high frequency of volcanic eruptions.

它有高密度的活火山与高频率的火山爆发活动。

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If a continued high density of occupation is unavoidable, fire-resistant materials may be needed.

如果长期高密度居住的情况不可避免，可能需要使用防火材料。

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Because computer monitors have a very high density of pixels, they do not use "additive" color per say.

电脑显示器有着非常高的像素分辨率，因此它并不是逐点使用“加法”颜色的。

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So, for example, we have this average level, and then it can go high where we have the peak, or it can go very low. We can also discuss sound waves, so again it's just the periodic variation of some property -- in this case we're talking about density, so we have high density areas and low density areas.

例如这是平均位置，在峰的位置水位高，在谷水位低，我们也可以,讨论声波它也是某种,量的周期变化，在这里我们,讨论的是密度,我们有高密度区和低密度区。

麻省理工公开课 - 化学原理课程节选

So the fact is those lab animals have a hard-wired preference for foods that are high in fat and high in sugar, primarily because of the energy density that those foods bring to one, and then the variety is important because you get a mix of nutrients.

事实上 实验动物对高脂肪高糖的食物,有着强烈的偏爱,而这种爱基于,该类食物能给我们提供高能量,多样性很重要,因为你能摄取多种营养

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But Elizabeth Mills who lives near Oxford Brookes University, where there is a high density of HMOs, said the houses created a lack of community.

BBC: Consultation ends on Oxford home licence plan

Yet there are potential downsides to a high density of culture.

CNN: 7 tucked-away city hotels

Retail access to alcohol is a major contributor to underage drinking, and Chinatown has a high density of stores selling alcohol, with more than 100 liquor stores in a 3-square-mile radius.

WHITEHOUSE: Residents and Businesses Unite to Reduce Substance Abuse in Chicago��s Chinatown | The White House