释义 |
电阻diànzǔ 1.导体对电流通过的阻碍作用。导体的电阻随长度、截面大小、温度和导体成分的不同而改变。电阻的单位是欧姆。{(electric) resistance; property of a conductor by virtue of which the passage of current is opposed; resistance of a conductor varies with its length, the area of its cross section, its temperature and composition; unit: ohm} 2.利用这种阻碍作用做成的元件。{resistor; device possessing such resistance} |