减去的

This relieved us of part of our luggage.

这给我们减去一部分行李的负担。

The picoammeter reads the current at the last dynode, which is equal to the anode current minus the current flowing to the previous dynode.

皮安后一个倍增管电极处读取电流，此电流等于极电流减去流过前一个倍增管电极的电流。