Increasingly sophisticated techniques have been used to solve these problems.

But we do not need these sophisticated techniques to improve group effectiveness.

This leads to more sophisticated techniques the details of which have yet to come out.

In later years, we tried more sophisticated techniques for mechanical retrieval of information, but nothing worked.

They developed sophisticated techniques of hunting and managing their resources.

"Until you look with very sophisticated techniques, I don't think you know for sure."

This case took place long before the sophisticated forensic-evidence-gathering techniques of today.

Where had those "primitive men" developed such a sophisticated technique?

They also use a very sophisticated technique that has been reported in several cultures.

And he complained the whole time because we weren't using any of the more sophisticated techniques to repair all the damage.