略語大辞典 [Phys] 19 APF additive positive feedback 加算正帰還. 超伝導量子干渉素子の信号改善法の一つ.additive positive feedback; a signal improving technique for SQUID(super-conducting quantum interference device); ref. SHAD(second harmonic detection), DOIT(direct offset integration technique); [Phys:E:Bio]. 丸善「略語大辞典」JLogosID : 11865979