The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens.

研究结果表明：环状光束通过像散透镜后变为非旋转对称光束；

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The results show that the annular beams become non-rotational symmetric after passing through an astigmatic lens.

研究结果表明：环状光束通过像散透镜后变为非旋转对称光束；

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