The strong interaction, or strong nuclear force, is the most complicated interaction, mainly because of the way it varies with distance.

This would involve a complicated interaction of heat transport.

It is a rule of thumb describing the approximate outcome of an extremely complicated physical interaction.

Using innovative approaches, these researchers are picking apart the complicated interactions of Earth's land, atmosphere, and oceans to understand how global systems operate.

Few, if any, of these complicated interactions are well understood, or have been "modeled" to provide estimates the energies involved.

Because of these blood flow problems, complicated interactions occur, and inflammation causes further tissue damage.

The point is that "toxicity" is a complicated interaction of a substance and other factors.

Why not move the debate forward and examine the complicated interaction of environment and genetics on athletic performance?

However, with the complicated interactions among the players, the network structure fits neither "market" nor "hierarchy" categories (Powell, 1990).

Rather, the problems associated with stress result from a complicated interaction between the demands of the outside world and the body's capacity to manage potential threats.