Measurements at the longer four wavelengths, which penetrate into the lower atmosphere, are used to obtain estimates of total column ozone.
Combinatorics is used frequently in computer science to obtain estimates on the number of elements of certain sets.
An alternative is to obtain reasonable estimates from other similar studies in the literature.
As she had hoped he knew of several firms who could carry it out and promised to obtain estimates for her.
Since alcohol consumption may have varied with time, efforts were made to obtain estimates based on patient recall and chart review.
Nevertheless, the Native Administration went ahead and obtained estimates from a contractor and the work began.
I have obtained estimates and find it would cost at least ten thousand dollars to build the kind of facility we need.
Elyan humanish died, yet you told them to draw up plans and obtain estimates.
He obtained estimates for its repair, then led a fund-raising drive.
It is good practice to obtain at least three quotes or estimates.