该照明装置包括能源、光源、反射器和保持器。

The lighting device includes a source of energy, a light source, a reflector and a holder.

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该方法包括相对于标牌表面安放照明装置的步骤，及调整照明装置中LED照射方向的步骤。

The method comprises a step of installing the illumination device relative to the surface of the label plate and a step of adjusting the illumination direction of the LED in the illumination device.

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