By projecting eight beams along each side of the bridge, the system can tell the approximate size of the falling object to avoid false alarms.

Government projects distributed land to the people, increasing the approximate size of the city.

For scale, the box shows the approximate size of a football field.

An experienced operator could sometimes determine by interpretation the approximate size in numbers of the contact.

The infrared brightness was the primary attribute used for ascertaining the approximate size of the asteroid.