But the exact length of that life span is unknown.
He starts writing a symphony with an exact length of time in mind.
They gave the exact length of the bomb's projectile: sixteen and a quarter inches.
The exact length of the NCRs of these six minichromosomes was unknown.
Music can be cued to the exact length of the movie or of individual scenes.
Now, the authority will not specify the exact length of time a train line is out of service, for example.
By means of optical distortion, each line is stretched to the exact length of line projected on the film.
After years without payment — the exact length of time varies by state — collectors may lose their right to sue.
None of the executives who discussed the deal would reveal the exact length of the restrictions.
Unobtrusive, tucked away behind the clubhouse, it is the exact length of a Los Angeles-class attack submarine, and three or four times as wide.
After several months -- Lea & Perrins has never divulged the exact length of time -- the solids are filtered from the brew, and it is bottled.
