It is not that the action of the scales in the one case, and the balance in th
e other, differ in the principles of their construction or manner of working;
but the beam of one is set on an infinitely finer axis than the other, and of
course turns by the addition of a much smaller weight.
It's...到but分号前的这句不太会翻
我用google翻译应该可以了解三四成左右
大概是说天平跟秤子应该是刻度精准的差异
可是原句实在卡很久
希望有人可以帮助 感恩