Making them more dependent on artificial systems of temperature control.

"So the defensive fields work like an artificial immune system," Paris offered.

However, a number of artificial systems have since been established.

The result has been the substitution, at a cost of more than $3 billion, of an artificial system for the natural one.

However, the information gleaned from the project in fact made the later artificial system possible.

They are is still used in some artificial systems, such as Precision Club.

I'm beginning to think that we need to know more about the exact nature of this artificial system.

He financed the Biosphere 2 project, an artificial closed ecological system, which was built between 1987 and 1991.

Human institutions are evolved artificial systems, and they can often solve problems that their individual members cannot.

The weird-looking bidding was the result of an artificial Italian system.