The optical concentrator receives light from the light emitting element, via the dichroic filter, and emits the light from an exit surface, which is smaller than the entrance surface.
光学集中器经由二向色滤光片接收来自发光元件的光并且从小于入射表面的出射表面发射光。
The air filter comprises attachment means (31 ) which is adapted to attach fibres in at least a peripheral portion of the filter body against a wall surface of the channel-shaped element (28).
本空气过滤器包括附着装置（31），该附着装置适于将处于过滤器本体的至少外围部中的纤维附着到通道形件（28）的壁表面上。
The least square method equalization filter is a kind of 2D filter; its filtering window is surface area element.
最小二乘法均衡滤波器是二维滤波器，其滤波窗口是一个面积单元。
The least square method equalization filter is a kind of 2D filter; its filtering window is surface area element.
最小二乘法均衡滤波器是二维滤波器，其滤波窗口是一个面积单元。
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