I have certain barometers, certain measurements, that will tell me.

Handling such large numbers of failures will make certain measurements of the agency's financial health look grim.

By certain measurements Rous was also able to find out that the narrow end of the cone starts right over this space station.

Sensors allow robots to receive information about a certain measurement of the environment, or internal components.

Research in the area of human physiology with onboard crew as test subjects needs certain specific measurement and stimulation equipment.

Ergonomically and for safety reasons, stairs must have certain measurements so that people can comfortably use them.

Building codes typically specify certain measurements so that the stairs are not too steep or narrow.

The lamp, which was an ordinary standard, he examined with minute care, making certain measurements upon its bowl.

He bought some laboratory equipment and ordered constructions of precisions instruments for certain measurements.

With his eye he estimated certain measurements of the great dome.