Today the populations remain, but the habitat must be artificially maintained at times.
The hydraulic system is designed to artificially maintain water pressure under the building to keep it from sinking.
There can be little doubt that this planet is artificially maintained.
The large open space was likely artificially maintained.
"Our moon isn't terra formed There's no artificially maintained atmosphere to hold heat close to the surface."
A pegged, or fixed system, is one in which the exchange rate is set and artificially maintained by the government.
Because Britain's prices and incomes are maintained artificially, at the expense of her colonies.
It is being made when the only alternative to a natural death is to artificially maintain a bare existence.
When this overgrowth occurs, the plant only grows in artificially maintained open spaces, such as firebreaks.
Or it might not Poseidon's cult, like that of Hermes, is artificially maintained these days.