Grazing cattle choose to intake in those patches whose height or biomass is higher, but density is lower.

放牧黄牛选择在高度较高、密度低、生物量高的斑块采食。

youdao

County X and County Y have similar terrain, but the population density of County X is significantly higher than that of County Y.

X 县和 Y 县的地形相似，但 X 县的人口密度显著高于 Y 县。

youdao

They're pretty close to the ground, but these warblers also nest in forests that have low shrub density.

它们离地面很近，但是这些蓝莺也会在灌木密度低的森林里面筑巢。

youdao

Ah, but density is mass over volume.

但密度是质量除以体积

耶鲁公开课 - 基础物理课程节选

So, that's probability density, but in terms of thinking about it in terms of actual solutions to the wave function, let's take a little bit of a step back here.

这就是概率密度，但作为,把它当成是，波函数的解，让我们先倒回来一点。

麻省理工公开课 - 化学原理课程节选

So pi bonds have electron density both above and below the bond axis, but they actually have a nodal plane at this z, this bond axis here.

键在键轴之上,和之下都有电子密度，但它们在z方向有节面，这是键轴的地方。

麻省理工公开课 - 化学原理课程节选

"But the density of foxes in these new areas is likely to be slightly lower than you see in those areas where they have been long established simply because the types of housing in areas of urban expansion are not the best type of habitat for urban foxes, " he adds.

BBC: Who, What, Why: Are urban fox numbers rising?

Furthermore, the vast majority of growth over the past decade has taken place not in high-density urban centers but in lower-density peripheral areas such as Riverside-San Bernardino.

FORBES: California Wages War On Single-Family Homes

Silicon Valley has low residential density, but the Googleplex has high worker density.

FORBES: Suburbs Or Cities? Extraction Or Ideas?