This will promote gene exchange among colonies of the population in unfavorable years and inferior habitats .

这在不利年份和生境较差时，会促进种群集群之间基因的交换。

youdao

Venice stock exchange." Secchi and his friends are also responsible for a population counter that has been placed in the shop-window of a pharmacy in the city center.

VOA: standard.2009.10.27

These connected patches were still not as healthy after six months as the unsullied moss, but they did far better than isolated islands a result that supports the notion that population exchange is necessary to keep an ecosystem healthy.

ECONOMIST: Road kill

For the regular Exchange population, every Exchange plan (called qualified health plans) must go through this process.

FORBES: Arkansas: Replacing Medicaid Expansion with Obamacare's Exchanges Could Require 'No Additional Federal Costs At All'

The benefit package for the Exchange population and the ACA Medicaid expansion population is essentially the same, so this is not a factor.

FORBES: Arkansas: Replacing Medicaid Expansion with Obamacare's Exchanges Could Require 'No Additional Federal Costs At All'