Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method.

光放大器，用于光放大器中的激励光源控制方法，和光放大器控制方法。

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The transmitter-receiver housing contains the light source and all electronic and control functions .

发射器和接收器内装有光源和所有电子元件和控制元件。

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The outline covers the component parts of a light emitting diode (LED) light source such as LED modules, LED Arrays, power sources and control circuitry.

这个指导纲要涵盖了LED光源的零部件，诸如LED模块，LED阵列，电源和控制电路。

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Methods are already being developed to implant a light source inside the body which could be activated by remote control.

ECONOMIST: Neurology