1. Direct Current (DC)|---|Direct current is current with no reversals in polarity. 直流|---|直流是指没有正负极性往复变化的电流。
2. Input channel selection, gain settings and signal polarity can be configured in software using the bidirectional serial port. 利用双向串行端口,可在软件中进行输入通道选择、增益设置和信号极性配置。
3. On the basis of the"instant polarity method"and applying the transistor cur-rent relation formula, a method of feedback polarity judging of an amplifier is given. 在“瞬时极性法”的基础上,引用双极性晶体管的电流关系式,给出一种不需判断放大器组态的反馈极性判断法。
英英解释
n.
1. a relation between two opposite attributes or tendencies
2. having an indicated pole (as the distinction between positive and negative electric charges)