The results showed that the selective feeding behavior of C. sinicus was dependent on food density.

结果表明，中华哲水蚤对浮游植物的选择性摄食具有食物密度依赖性。

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As hare density increases, the quantity of these twigs decreases, forcing the hares to feed on low-quality high-fiber food.

随着野兔密度的增加，这些树枝的数量减少，迫使野兔以低质量的高纤维食物为食。

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Fast food outlets should reduce the energy density of their menus as well as their portion sizes, the scientists said.

科学家们指出，快餐店不仅要降低食品的能量密度，而且要缩小食品的体积。

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The calorie density has changed because food is processed, so the calories in the fat and the sugar that can get squeezed into things made possible by technological changes has shifted things a lot.

食品经过加工,热量密度发生了变化,添加到食品中的脂肪和糖类,其卡路里含量可通过技术手段进行调整,进而造成很大不同

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The goal is to try to maximize the calorie density of food (calories per ounce) that your daughter eats, especially since her appetite may be significantly decreased by heroin use.

CNN: How can I help my heroin-addicted daughter gain weight?

Local Government Association (LGA) research suggests that one-in-three councils are worried about the density of fast food outlets.

BBC: Town halls call for more power over High Streets

We found, for example, in research from the Rand Institute that the density of fast food outlets in areas was not necessarily correlated with how fat children were in those areas.

NPR: Study Offers New Insights into Obesity