Altermann.奥尔特曼alterv.改变；更改；阉割；切除卵巢alternating wenckebach periodicity交替性文氏周期Alternation and run-length codes交替与连续长度码alternating-current erasing head交流抹音磁头alternating-current transmission交流传输alternating-current galvanometer交流检流计Alternating current power detector交流电能表检定装置alternating discrimination circuit振幅鉴别电路, 鉴幅电路alternating group iterative method交替分组迭代方法alternating leniency with severity宽严相济alternating time parallel sampling时间交替并行采样