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intensive simulations is the most popular phrase on the web.

intensive simulation 127,000 results on the web	intensive simulations 128,100 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Intensive training, hand hand combat, flight simulation. to	to hand combat, flight simulation. Intensive training, hand

intensive simulation

127,000 results on the web

intensive simulations

128,100 results on the web

More popular!