| 摘要 |
Illumination apparatus ( 8 ) which comprises at least two light sources, at least one light collecting device for collecting light from the light sources ( 10 ), motion providing means for providing relative motion between the light sources ( 10 ) and the light collecting device ( 14 ), and control means for controlling the illumination of the light sources ( 10 ) such that the light sources ( 10 ) are illuminated for a predetermined time period when in a predetermined position relative to the light collecting device ( 14 ).
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