Heirloom seeds come from plants that were traditionally grown in human populations, as opposed to the seeds used for large-scale agricultural production.

传家宝种子来自传统的人类种植的植物，而不是来自用于大规模农业生产的种子。

youdao

There's emotional contagion that takes place in human populations.

在人类群体中，就有着情感的传染。

youdao

Human cases of infection with any influenza virus not currently circulating in human populations.

出现了目前尚未在人群中传播的流感病毒人类感染病例。

youdao

It may also be bad for people, so the group is now asking whether such effects can be detected in human populations.

ECONOMIST: Inbreeding: Consanguinity costs | The

Those with alternative agendas may also try to use these new data to rank modern human populations in terms of supposedly different degrees of modernity.

FORBES: Paleogenomics Will Not Lead to Gatacca--If We're Vigilant

In addition, little was known about the role that positive selection may have played in shaping the biology of human populations as they migrated and expanded.

FORBES: The Human Genome at Ten