In essence, this standard stores decimal values sort of like scientific notation.

本质上，这个标准存储十进制值有点像科学记数法。

This nominal sum, therefore, is necessarily higher when the coin is much debased by clipping and wearing, than when near to its standard value.

因此，当硬币因剪裁和磨损而严重贬值时，这个名义金额必然高于接近其标准价值时的金额。