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- The base-emitter voltage Vbe of a small signal transistor is about 0.65v and drops about 2mV/deg C.Vbe goes down with increasing temp. (对于小信号晶体管放大电路Vbe 一般是0.;65V,但随着温度的升高会按2mV/deg C的速度下降)。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- A tube or a transistor can amplify an incoming signal. 电子管和晶体管能放大输入的信号。
- We are using this transistor to amplify a telephone signal. 我们正在使用这种晶体管来放大电话信号。
- I stood watching for the signal to change to green. 我站着等待交通信号转为绿灯。
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- A red lamp is often a danger signal. 红灯常常是危险的信号。
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- The rise in prices was a signal for rebellion. 物价上涨引起了叛乱。
- A channel over which pilot signal is transmitted. 可在其上传输导频信号的一种信道。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- The driver is winking his lights to signal a turn. 驾驶员打着一闪一闪的灯光信号表示要转弯。
- Everyone uncovered when the signal sounded. 信号响时,人人脱帽致敬。
- The train must stop when the signal's red. 信号机是红色时,火车必须停驶。
- A red lamp is used as a danger signal. 红灯用作危险信号。
- Send out a distress signal; the ship is sinking. 船正在下沉,发遇险信号吧。
- I corrected my watch by the time signal. 我按报时信号校正我的表。
- A decrease in signal power as measured between two points. 信号能量在两点间测量出来的减小量。参阅signal。
- The President's arrival was the signal for an outburst of cheering. 总统来到爆发一阵欢呼声。
- The equipment picked up the signal from the satellite. 这设备收到了卫星发出的信号。