光栅制作时引入的综合噪音对输出质量的影响及各衍射级能量的不均衡问题尚待进一步改进。

What remain to be improved are the effect of the general noise in grating-making on the output quality and the imbalance of diffraction order intensity.

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因此，必须对公共政策中收益与成本不均衡分布的原因进行分析，并采取相应的对策，这对提高公共政策的质量和政策的行政能力有重要的意义。

So it is necessary to analyze the cause of this uneven distribution of revenue and cost in public policy and adopt to corresponding countermeasures. This is very important for the improvement of...

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