The gun is fulcrumed in a lever frame provided with a counterpoise which more than balances the gun. Edward W. Byrn.十九世纪发明进展.
In the latter case a force of 1 pound actually balances a force of 2 pounds, but the 1-pound weight is twice as far from the point of suspension as is the 2-pound weight. 伯莎M.克拉克.科学通论.
The practical method of securing the proper and ready adaptation of balances to springs is to place in the rims of the balance a number of small screws having relatively heavy heads. 佚名.神奇的知识之书.
An occupation is the only thing which balances the distinctive capacity of an individual with his social service. 约翰·杜威.民主与教育.