More complicated devices that could continually monitor air for biological weapons are at least several years away.

He realized that the drawing itself was a simplification of a much more complicated original device.

What we call a 'flintlock' is actually a much less complicated device than a wheel lock.

Sometimes, complicated devices are used to produce the desired effects.

However, complicated devices can be built such as walkers, engines and transmissions.

Stopped and held this complicated scientific device out so that the stone was suspended just before my nose.

We should not once again invest our hopes for the survival of mankind in new technology and ever more complicated devices orbiting the earth.

A space radio is a pretty delicate and complicated device.

The demands on these complicated optical devices, of course, are extreme.

Alongside a complicated device, you can often find one nearby that is simpler and apparently works as well.