正向-反向电子解算器
forward-inverse electronic resolver
聚合酶链反应-反向点杂交法
Polymerase chain reaction-reverse dot blot
反→正→反连续弧形
negative-positive-negative continuous arc
反向正规曲面
reciprocal normal surface
极移的正、反向运动
reverse and positive movement of polar motion
正反向超塑成形
direct-reverse superplastic forming
正反向电阻
forward reverse resistance
正反向贯通
linkage of forward and backward blowing