采用稳幅器件有效地提高了输出能量的稳定性，放大前级的输出能量波动的均方根值从4%左右降到1%以下。

Stabilization is achieved by adopting an amplitude stabilizer. The root mean square (RMS) of energy output is lowered from about 4% to below 1%.

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这两艘Mistral级舰船的采购合同将于年底前签署。

The procurement contract for two ships of the Mistral-class is to be signed by year-end.

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但人群中的目击者称，他们看到在起火前，该大楼旁边曾燃放大量专业级烟火。

But witnesses in the crowd said they saw a large professional fireworks display next to the building before it caught fire.

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