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Target designation unit has separate red and green LED light sources illuminating collimating lens through slit in light screen
Target designation unit has separate red and green LED light sources illuminating collimating lens through slit in light screen
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机译：目标指定单元具有单独的红色和绿色LED光源，通过光屏中的狭缝照明准直透镜
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摘要
A target designation unit has red and green LED (Light Emitting Diode) light sources (3, 4) flashing at different frequencies and with optical axes (3a, 4a) intersecting the optical axis (5a) of the collimating lens (5) at the rear focus (5f) and with stray light screened (7) from the central region by a slit (7a)
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