alternatn.交替函数alterv.改变；更改；阉割；切除卵巢alternating personalistics交替人格alternating current circuit交流电路,交羚路alternating current fan out交流扇出, 交流扇出数alterable multilayer radome变层天线罩壁结构alternating current booster交流升压机alternating current biasing交流偏磁alternating occulting light交替歇光灯alternating-current erase交流擦除alternating current ammeter[电] 交流安培计alternating-current relay交流继电器