These constant upgrades have made the system the industry standard and given it a virtual stranglehold on the world of personal computers.

Still, he said he was continuing to play out his hard-line position against the drivers, who he says have a virtual stranglehold on the city's bus contracts, making them among the most costly in the country.

A Dallas victory would have meant a virtual stranglehold on the series.

Publishers are dismayed that the Government granted Compton's a virtual stranglehold.

Victims' rights groups have a virtual stranglehold over Texas politics, and by and large they are not engaging in rational dialogue.

Since the location and nature of Iraq's oil export outlets permits a virtual stranglehold over them, restitution payments should not be hard to collect.

The International Business Machines Corporation, based in Armonk, N.Y., once had a virtual stranglehold on the market for corporate computer buyers.

The brokers are able to acquire hundreds of seats, creating a virtual stranglehold on the most-sought tickets, according to investigators.

An American embargo has helped put a virtual stranglehold on trade.

Through its comprehensive product range and its reactivity to market innovations, Olympus enjoys a virtual stranglehold of the world market in gastro-intestinal endoscopes.