Any observer can make measurements and the precise numerical quantities obtained only depend on the coordinate system used.

The precise quantities of a sample can only be determined by laboratory analysis.

He grasped a hypodermic and measured a precise quantity of fluid from a bottle.

When he does specify precise quantities or times he is often wrong.

The recipes were often brief and did not give precise quantities.

Using this technique, he was the first in England to understand that a small but precise quantity of carbon gave steel its strength.

Glass pipettes are used to transport precise quantities of fluids.

By the end of the 17th century, the land was divided into very precise quantities as determined by the landowners at their town meetings.

You then add the precise quantity by weight of the active ingredient, in my case cantharidin powder.

He added the precise quantity of water, flipped the switch, and waited for the first black drops to hit the canister.