空心光束的理论模型、传输与变换等问题一直是激光光学研究的重要课题。
The theoretical model, propagation, transformation and other issues of the hollow beam have been important research subjects in the laser optics field.
空心光束的理论模型、传输与变换等问题一直是激光光学研究的重要课题。
The theoretical model, propagation, transformation and other issues of the hollow beam have been important research subjects in the laser optics field.
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