The principle of shaping Gaussian beam was studied theoretically and the Flattened Lorentzian(FL) function was chosen as the distribution expression of the flattened beam.

理论分析了高斯光束整形原理， 并选择超洛伦兹函数作为平顶光分布函数；

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Some important concepts relating to the flattened Gaussian beams (FGBs), such as the field distribution and beam width, are analyzed physically.

对平顶高斯光束有关的一些重要概念，例如场分布和束宽等作了物理分析。

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From there he was extremely active, visiting flattened villages, overwhelmed hospitals and aid-distribution centres in addition to co-ordinating the response.

ECONOMIST: This time the president knew what he had to do