The residence time on the patches increased with host density.

斑痣悬茧蜂在各斑块的驻留时间随寄主密度的增加而增加。

youdao

This growing population density has spawned a host of environmental issues and creative solutions.

FORBES: Japan's Green Gold Mine

In its medical division, the company makes systems to gauge bone density and perform a host of patient monitoring functions.

FORBES

MalariaControl.net can handle a lot of different sorts of variable, from the changing density of parasites within a human host as an infection progresses to the sort of treatment available in different places around the continent.

ECONOMIST: Linking up computers to defeat malaria