His own social health index is one of the most systematic nationwide surveys.

A systematic survey of world history quickly turned the germ into a fully blown and, I might add, incontrovertible theory.

There have been no systematic surveys of the problem in the country's 50 state prison systems and hundreds of local jails.

They alerted local archaeologists, who followed up with more systematic surveys over a site now estimated to be at least 35 acres.

There are various other smaller sites scattered around the valley, but as yet there has been no systematic survey of them.

The shallow drilling programme is central to the systematic survey of the continental shelf.

Pāli language and literature: a systematic survey and historical study.

Financed in part through the Carnegie Foundation, he began a systematic survey of the country.

All right, I want a systematic survey and catalog of all stars in this galaxy likely to have developed life.

Again, there was no systematic survey to support this estimate, which may have been exaggerated to twice the actual number.