Axon patch clamp amplifier leak subtraction could subtract the leak current produced by single depolarizing pulse but not the leak current produced by a series of different step depolarizing pulses. 放大器漏减功能可漏减单一去极化电压幅度所诱发的漏电流,但不能同时对不同电压幅度系列去极化所产生的稳态漏电流进行追踪漏减;