Example sentences of "than a certain [adj] [noun sg] " in BNC.

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1 However you tried to measure the particle , the uncertainty in its position , times the uncertainty in its speed , would always be greater than a certain minimum amount .
2 If it started with more than a certain critical speed , however , it would never stop rising and fall back but would continue to move away .
3 On the other hand , if the rocket has more than a certain critical speed ( about seven miles per second ) gravity will not be strong enough to pull it back , so it will keep going away from the earth forever .
4 If the density is less than a certain critical value , determined by the rate of expansion , the gravitational attraction will be too weak to halt the expansion .
5 However , if it was expanding at more than a certain critical rate , gravity would never be strong enough to stop it , and the universe would continue to expand forever .
6 DAVID ELSWORTH will have a lot more to occupy his thoughts this winter than a certain grey steeplechaser .
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