impedance/gain analyzer是什么

impedance/gain analyzer是什么 impedance differential impedance是什么意思 low-impedance是什么意思 thermal impedance是什么意思 LF impedance analyzer free-space wave impedance 什么意思 电阻的英语是resistance还是impedance projected gain gain insight gain some gain flesh low impedance low Z在电容器部分分别代表什么? no pain no gain No pain no gain no gain without venture nothing gain. 求《pain&gain》!