alterantadj.改变的
alterv.改变;更改;阉割;切除卵巢
alternating current contactor交流接触器
alternating voltage amplifier交流电压放大器
alternation of cardiac output心输出量交替
alternating direction implicit交替方向方法, 交替方向隐式
Alternating current motor test电机测试
alternating-current coupling交流耦合
alternating current controller交流控制器
Alternating phase-shift mask交替型相移掩模
Alterable included angle chain可变夹角链码(AIAC)
alternating current voltemeter[电] 交流伏特计