The calculating method of the gain coefficient of a small signal is presented.

给出了光解碘激光器的小信号增益系数的计算方法。

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The traffic on the main streets has a longer green signal than that on the small ones.

主要街道上的绿灯时间比小街道上的长。

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Earlier this year researchers at Intel and the University of Washington, in Seattle, showed that they could power a small sensor using a TV signal 4.1 kilometres away.

今年早些时候，英特尔及西雅图华盛顿大学的研究人员演示表明，他们能够从4.1公里以外的电视信号中获取能量来给一个小功率传感器供电。

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Prof Edgerton speculated that "we are activating the spinal cord to a critical level" close to the level which would trigger movement, and a small signal from "the brain pushes it over" leading to movement.

BBC: Paralysed rats 'learn to walk'

The latest figures of future expectations dropped to 96.4 from a three-year high of 97.5 in January, Ifo said, adding that the data was a "small warning signal".

BBC: NEWS | Business | Gloom grows over European growth

It's a signal that tells you when small-company stocks are particularly good buys.

FORBES: The T. Rowe Small-Cap Gauge