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device for emission of light in the use of systems simulation and target practice.
device for emission of light in the use of systems simulation and target practice.
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机译:在系统仿真和目标实践中使用发光装置。
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摘要
in the system of light, visible and invisible, the use of simulation and training in shooting, a reflecting surface is used to operate the reflected rays.in order to expand the beam in a short distance.
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