| 释义 |
信号xìnhào
1.用来传递消息或命令的光、电波、声音、动作等{signal; sign given by light, electric wave, sound, gesture, etc. to convey information or a command}:
～灯{signal lamp}|～枪{signal pistol}|打～{send a signal; signal}|发～。{give a signal}
2.电路中用来控制其他部分的电流、电压或无线电发射机发射出的电波。{electric current and voltage used to control other parts of a circuit; electric wave from a radio transmitter} |