短語(yǔ)詞組短語(yǔ)lock -in amplifier circuit 鎖定放大電路Precision Lock -in Amplifier 鎖相放大器;精密鎖相放大器phase lock -in amplifier 鎖相放大電路heterodyne lock -in amplifier 外差鎖定放大Lock -In Amplifier Modules 鎖相放大器模塊Software Lock -In Amplifier 軟件鎖定放大器analog Lock -in Amplifier 模擬鎖相放大器 返回 lock in amplifier