GbEng
这辆汽车亮起了危险信号灯。 The car had its hazard warning lights on.
红旗是危险的信号。 A red flag is a sign of danger.
半导体在自动化和信号上面即将起着重要作用。 Semiconductors are going to play an important part in automation and signalling.
减少元件和电路的几何尺寸，以达到增加电路的封装密度、减少功耗和减小信号传播延迟的目的。 The reduction in size of components and circuits for increasing package density and reducing power dissipation and signal propagation delays.
汽车在交通信号灯处停住了. The car came to a full stop at the traffic lights.
信号响时，人人脱帽致敬。 Everyone uncovered when the signal sounded.
灯塔每一分钟发出两次信号。 The lighthouse flashes signals twice a minute.
这台机器由电子脉冲信号操纵. The machine is operated by an electronic pulse.
警察向来往车辆打信号，示意缓慢前行。 The police signalled the traffic to move forward slowly.
没有视频信号。 There is no video signal.
天气预报之後即为6点钟报时信号. The weather forecast is followed by the pips at 6 o'clock.
信号旗松散地从桅杆上垂下来 A pennant lolling from the mast.
毁船打劫者引诱船只失事的人，如通过在多岩石的海岸线上打信号灯，以掠夺其财物 One who lures a vessel to destruction, as by a display of lights on a rocky coastline, in order to plunder it.
鉴别器，鉴频器一种将输入信号的某一特征，如频率或相位转变为幅度变化装置，其变化大小因信号与标准或参考信号的不同程度而异 A device that converts a property of an input signal, such as frequency or phase, into an amplitude variation, depending on how the signal differs from a standard or reference signal.
以低于信号中最高频率两倍的频率进行信号取样时出现的一种效应，即当由取样状态还原时，还原后的信号将不再含有原来信号中的高频成分，并将显示出虚假的低频信号。 An effect that occurs when a signal is sampled at a rate less than twice the highest frequency present in the signal.The subsequent signal recovered from the samples will not contain the high frequency component of the original signal and will display a false low frequency signal.
（古罗马）占卜官古罗马宗教官员的一员，可通过观察并解释某些信号及预兆来预言事情 One of a group of ancient Roman religious officials who foretold events by observing and interpreting signs and omens.